WITTER DEAN AMERICAN VALUE FUND
497, 1998-05-11
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<PAGE>
                                                Filed Pursuant to Rule 497(e)
                                                Registration File No.: 2-66269




                                 DEAN WITTER
                             AMERICAN VALUE FUND
                           PROSPECTUS --MAY 1, 1998
- ------------------------------------------------------------------------------ 

DEAN WITTER AMERICAN VALUE FUND (THE "FUND") IS AN OPEN-END DIVERSIFIED 
MANAGEMENT INVESTMENT COMPANY WHOSE INVESTMENT OBJECTIVE IS LONG-TERM CAPITAL 
GROWTH CONSISTENT WITH AN EFFORT TO REDUCE VOLATILITY. THE FUND INVESTS 
PRINCIPALLY IN COMMON STOCK OF COMPANIES IN INDUSTRIES WHICH, AT THE TIME OF 
THE INVESTMENT, ARE BELIEVED TO BE ATTRACTIVELY VALUED GIVEN THEIR ABOVE 
AVERAGE RELATIVE EARNINGS GROWTH POTENTIAL AT THAT TIME. (SEE "INVESTMENT 
OBJECTIVE AND POLICIES.") 

The Fund offers four classes of shares (each, a "Class"), each with a 
different combination of sales charges, ongoing fees and other features. The 
different distribution arrangements permit an investor to choose the method 
of purchasing shares that the investor believes is most beneficial given the 
amount of the purchase, the length of time the investor expects to hold the 
shares and other relevant circumstances. (See "Purchase of Fund 
Shares--Alternative Purchase Arrangements.") 

This Prospectus sets forth concisely the information you should know before 
investing in the Fund. It should be read and retained for future reference. 
Additional information about the Fund is contained in the Statement of 
Additional Information, dated May 1, 1998, which has been filed with the 
Securities and Exchange Commission, and which is available at no charge upon 
request of the Fund at the address or telephone numbers listed on this page. 
The Statement of Additional Information is incorporated herein by reference. 



TABLE OF CONTENTS 

Prospectus Summary.....................................................      2 

Summary of Fund Expenses...............................................      4 

Financial Highlights ..................................................      5 

The Fund and its Management............................................      8 

Investment Objective and Policies .....................................      8 

 Risk Considerations ..................................................     12 

Investment Restrictions ...............................................     14 

Purchase of Fund Shares................................................     15 

Shareholder Services...................................................     23 

Redemptions and Repurchases............................................     26 

Dividends, Distributions and Taxes.....................................     27 

Performance Information................................................     27 

Additional Information ................................................     28 

SHARES OF THE FUND ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR 
ENDORSED BY, ANY BANK, AND THE SHARES ARE NOT FEDERALLY INSURED BY THE 
FEDERAL DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY 
OTHER AGENCY. 

DEAN WITTER 
AMERICAN VALUE FUND 
TWO WORLD TRADE CENTER 
NEW YORK, NEW YORK 10048 
(212) 392-2550 OR 
(800) 869-NEWS (TOLL-FREE) 

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THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND 
    EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
 SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED
  UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE
                     CONTRARY IS A CRIMINAL OFFENSE. 

                  Dean Witter Distributors Inc., Distributor

                                       
<PAGE>
PROSPECTUS SUMMARY 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
<S>                  <C>
 ------------------- ------------------------------------------------------------------ 
THE                  The Fund, a Massachusetts business trust, is an open-end 
FUND                 diversified management investment company investing principally in 
                     industries which, at the time of investment, are believed to be 
                     attractively valued given their above average relative earnings 
                     growth potential at that time (see page 8). 
- -------------------  ------------------------------------------------------------------ 
SHARES OFFERED       Shares of beneficial interest with $0.01 par value (see page 28). 
                     The Fund offers four Classes of shares, each with a different 
                     combination of sales charges, ongoing fees and other features (see 
                     pages 15-23). 
- -------------------  ------------------------------------------------------------------ 
MINIMUM              The minimum initial investment for each Class is $1,000 ($100 if 
PURCHASE             the account is opened through EasyInvest (Service Mark) ). Class D 
                     shares are only available to persons investing $5 million ($25 
                     million for certain qualified plans) or more and to certain other 
                     limited categories of investors. For the purpose of meeting the 
                     minimum $5 million (or $25 million) investment for Class D shares, 
                     and subject to the $1,000 minimum initial investment for each 
                     Class of the Fund, an investor's existing holdings of Class A 
                     shares and shares of funds for which Dean Witter InterCapital Inc. 
                     serves as investment manager ("Dean Witter Funds") that are sold 
                     with a front-end sales charge, and concurrent investments in Class 
                     D shares of the Fund and other Dean Witter Funds that are multiple 
                     class funds, will be aggregated. The minimum subsequent investment 
                     is $100 (see page 15). 
- -------------------  ------------------------------------------------------------------ 
INVESTMENT           The investment objective of the Fund is capital growth consistent 
OBJECTIVE            with an effort to reduce volatility. 
- -------------------  ------------------------------------------------------------------ 
INVESTMENT           Dean Witter InterCapital Inc., the Investment Manager of the Fund, 
MANAGER              and its wholly-owned subsidiary, Dean Witter Services Company 
                     Inc., serve in various investment management, advisory, management 
                     and administrative capacities to 101 investment companies and 
                     other portfolios with assets of approximately $113.6 billion at 
                     March 31, 1998 (see page 8). 
- -------------------  ------------------------------------------------------------------ 
MANAGEMENT           The Investment Manager receives a monthly fee at an annual rate of 
FEE                  0.625 of 1% of daily net assets up to $250 million in net assets; 
                     0.50 of 1% of daily net assets over $250 million but not exceeding 
                     $2.5 billion; 0.475 of 1% of daily net assets exceeding $2.5 
                     billion but not exceeding $3.5 billion; 0.45 of 1% of daily net 
                     assets exceeding $3.5 billion but not exceeding $4.5 billion; and 
                     0.425 of 1% of the daily net assets exceeding $4.5 billion (see 
                     page 8). 
- -------------------  ------------------------------------------------------------------ 
DISTRIBUTOR AND      Dean Witter Distriutors Inc. (the "Distributor"). The Fund has 
DISTRIBUTION FEE     adopted a distribution plan pursuant to Rule 12b-1 under the 
                     Investment Company Act (the "12b-1 Plan") with respect to the 
                     distribution fees paid by the Class A, Class B and Class C shares 
                     of the Fund to the Distributor. The entire 12b-1 fee payable by 
                     Class A and a portion of the 12b-1 fee payable by each of Class B 
                     and Class C equal to 0.25% of the average daily net assets of the 
                     Class are currently each characterized as a service fee within the 
                     meaning of the National Association of Securities Dealers, Inc. 
                     guidelines. The remaining portion of the 12b-1 fee, if any, is 
                     characterized as an asset-based sales charge (see pages 15 and 
                     22). 
- -------------------  ------------------------------------------------------------------ 
ALTERNATIVE          Four classes of shares are offered:  
PURCHASE             
ARRANGEMENTS         o Class A shares are offered with a front-end sales charge, 
                     starting at 5.25% and reduced for larger purchases. Investments 
                     of $1 million or more (and investments by certain other 
                     limited categories of investors) are not subject to any sales 
                     charge at the time of purchase but a contingent deferred sales 
                     charge ("CDSC") of 1.0% may be imposed on redemptions within 
                     one year of purchase. The Fund is authorized to reimburse the 
                     Distributor for specific expenses incurred in promoting the 
                     distribution of the Fund's Class A shares and servicing 
                     shareholder accounts pursuant to the Fund's 12b-1 Plan. 
                     Reimbursement may in no event exceed an amount equal to payments 
                     at an annual rate of 0.25% of average daily net assets of the 
                     Class (see pages 15, 17 and 22). 


- --------------------------------------------------------------------------------------
                                       2
<PAGE>
<CAPTION>

- -------------------  ------------------------------------------------------------------ 
<S>                  <C>   
                     o Class B shares are offered without a front-end sales charge, but 
                     will in most cases be subject to a CDSC (scaled down from 5.0% to 
                     1.0%) if redeemed within six years after purchase. The CDSC will 
                     be imposed on any redemption of shares if after such redemption 
                     the aggregate current value of a Class B account with the Fund 
                     falls below the aggregate amount of the investor's purchase 
                     payments made during the six years preceding the redemption. A 
                     different CDSC schedule applies to investments by certain 
                     qualified plans. Class B shares are also subject to a 12b-1 fee 
                     assessed at the annual rate of 1.0% of the lesser of: (a) the 
                     average daily aggregate net sales of the Fund's Class B shares 
                     since implementation of the 12b-1 Plan on April 30, 1984 or (b) 
                     the average daily net assets of Class B attributable to shares 
                     issued since implementation of the 12b-1 Plan. All shares of the 
                     Fund held prior to July 28, 1997, other than shares which were 
                     purchased prior to April 30, 1984 (and, with respect to such 
                     shares, certain shares acquired through reinvestment of dividends 
                     and capital gains distributions), have been designated Class B 
                     shares. Shares which were purchased prior to April 30, 1984 (and, 
                     with respect to such shares, certain shares acquired through 
                     reinvestment of dividends and capital gains distributions) have 
                     been designated Class D shares. Shares held before May 1, 1997 
                     that have been designated Class B shares will convert to Class A 
                     shares in May, 2007. In all other instances, Class B shares 
                     convert to Class A shares approximately ten years after the date 
                     of the original purchase (see pages 15, 19 and 22).

                     o Class C shares are offered without a front-end sales
                     charge, but will in most cases be subject to a CDSC of
                     1.0% if redeemed within one year after purchase. The Fund
                     is authorized to reimburse the Distributor for specific
                     expenses incurred in promoting the distribution of the
                     Fund's Class C shares and servicing shareholder accounts
                     pursuant to the Fund's 12b-1 Plan. Reimbursement may in
                     no event exceed an amount equal to payments at an annual
                     rate of 1.0% of average daily net assets of the Class 
                     (see pages 15, 21 and 22).

                     o Class D shares are offered only to investors meeting an initial 
                     investment minimum of $5 million ($25  million for certain qualified 
                     plans) and to certain other limited categories of investors. 
                     Class D shares are offered without a front-end sales charge or 
                     CDSC and are not subject to any 12b-1 fee (see pages 15, 21 and 22). 
- -------------------  ------------------------------------------------------------------ 
DIVIDENDS AND        It is anticipated that distributions of income and net short-term 
CAPITAL GAINS        capital gains, if any, will be made semi-annually. Net long-term 
DISTRIBUTIONS        capital gains, if any, are distributed at least annually. The Fund 
                     may, however, determine to retain all or part of any net long-term 
                     capital gains in any year for reinvestment. Dividends and capital 
                     gains distributions paid on shares of a Class are automatically 
                     reinvested in additional shares of the same Class at net asset 
                     value unless the shareholder elects to receive cash. Shares 
                     acquired by dividend and distribution reinvestment will not be 
                     subject to any sales charge or CDSC (see pages 23 and 27). 
- -------------------  ------------------------------------------------------------------ 
REDEMPTION           Shares are redeemable by the shareholder at net asset value less 
                     any applicable CDSC on Class A, Class B or Class C shares. An 
                     account may be involuntarily redeemed if the total value of the 
                     account is less than $100 or, if the account was opened through 
                     EasyInvest (Service Mark), if after twelve months the shareholder 
                     has invested less than $1,000 in the account (see page 26). 
- -------------------  ------------------------------------------------------------------ 
RISKS                The net asset value of the Fund's shares will fluctuate with 
                     changes in the market value of its portfolio securities. Emphasis 
                     on attractive industries may run contrary to general market 
                     assessments and may involve risks associated with departure from 
                     typical S&P 500 industry weightings. It should be recognized that 
                     the Fund's investments in small and medium-capitalization 
                     companies involve greater risk than is customarily associated with 
                     investing in larger, more established companies. The Fund may 
                     invest in the securities of foreign issuers which entails 
                     additional risks. The Fund may also invest in futures and options 
                     which may be considered speculative in nature and may involve 
                     greater risks than those customarily assumed by other investment 
                     companies which do not invest in such instruments (see pages 
                     12-14). 
</TABLE>
- -------------------------------------------------------------------------------
THE ABOVE IS QUALIFIED IN ITS ENTIRETY BY THE DETAILED INFORMATION APPEARING 
 ELSEWHERE IN THE PROSPECTUS AND IN THE STATEMENT OF ADDITIONAL INFORMATION. 

                                       3
<PAGE>
SUMMARY OF FUND EXPENSES 
- ----------------------------------------------------------------------------- 

   The following table illustrates all expenses and fees that a shareholder 
of the Fund will incur. The expenses and fees set forth in the table are 
based on the expenses and fees for the fiscal year ended December 31, 1997. 

<TABLE>
<CAPTION>
                                                                  CLASS A      CLASS B       CLASS C      CLASS D 
                                                               ------------ ------------  ------------ ----------- 
<S>                                                            <C>          <C>           <C>          <C>
SHAREHOLDER TRANSACTION EXPENSES 
Maximum Sales Charge Imposed on Purchases (as a percentage of 
 offering price) .............................................     5.25%(1)      None         None         None 
Sales Charge Imposed on Dividend Reinvestments ...............     None          None         None         None 
Maximum Contingent Deferred Sales Charge (as a percentage 
 of original purchase price or redemption proceeds) ..........     None(2)       5.00%(3)     1.00%(4)     None 
Redemption Fees...............................................     None          None         None         None 
Exchange Fee..................................................     None          None         None         None 
ANNUAL FUND OPERATING EXPENSES (AS A PERCENTAGE OF AVERAGE NET 
 ASSETS) 
Management Fees ..............................................     0.50%         0.50%        0.50%        0.50% 
12b-1 Fees (5)(6).............................................     0.25%         0.83%        1.00%        None 
Other Expenses ...............................................     0.13%         0.13%        0.13%        0.13% 
Total Fund Operating Expenses (7).............................     0.88%         1.46%        1.63%        0.63% 
<FN>

- ------------ 
(1)    Reduced for purchases of $25,000 and over (see "Purchase of Fund 
       Shares--Initial Sales Charge Alternative--Class A Shares"). 
(2)    Investments that are not subject to any sales charge at the time of 
       purchase are subject to a CDSC of 1.00% that will be imposed on 
       redemptions made within one year after purchase, except for certain 
       specific circumstances (see "Purchase of Fund Shares--Initial Sales 
       Charge Alternative--Class A Shares"). 
(3)    The CDSC is scaled down to 1.00% during the sixth year, reaching zero 
       thereafter. 
(4)    Only applicable to redemptions made within one year after purchase (see 
       "Purchase of Fund Shares--Level Load Alternative--Class C Shares"). 
(5)    The 12b-1 fee is accrued daily and payable monthly. The entire 12b-1 
       fee payable by Class A and a portion of the 12b-1 fee payable by each 
       of Class B and Class C equal to 0.25% of the average daily net assets 
       of the Class are currently each characterized as a service fee within 
       the meaning of National Association of Securities Dealers, Inc. 
       ("NASD") guidelines and are payments made for personal service and/or 
       maintenance of shareholder accounts. The remainder of the 12b-1 fee, if 
       any, is an asset-based sales charge, and is a distribution fee paid to 
       the Distributor to compensate it for the services provided and the 
       expenses borne by the Distributor and others in the distribution of the 
       Fund's shares (see "Purchase of Fund Shares--Plan of Distribution"). 
(6)    Upon conversion of Class B shares to Class A shares, such shares will 
       be subject to the lower 12b-1 fee applicable to Class A shares. No 
       sales charge is imposed at the time of conversion of Class B shares to 
       Class A shares. Class C shares do not have a conversion feature and, 
       therefore, are subject to an ongoing 1.00% distribution fee (see 
       "Purchase of Fund Shares--Alternative Purchase Arrangements"). 
(7)    There were no outstanding shares of Class A, Class C or Class D prior 
       to July 28, 1997. Accordingly, "Total Fund Operating Expenses," as 
       shown above with respect to those Classes, are estimates based upon the 
       sum of 12b-1 Fees, Management Fees and estimated "Other Expenses." 
</FN>
</TABLE>

<TABLE>
<CAPTION>
 EXAMPLES                                                                    1 YEAR    3 YEARS   5 YEARS    10 YEARS 
                                                                            -------- ---------  --------- ---------- 
<S>                                                                         <C>      <C>        <C>       <C>
You would pay the following expenses on a $1,000 investment assuming (1) a 
5% annual return and (2) redemption at the end of each time period: 
  Class A .................................................................    $61       $79       $ 99       $155 
  Class B .................................................................    $65       $76       $100       $175 
  Class C..................................................................    $27       $51       $ 89       $193 
  Class D .................................................................    $ 6       $20       $ 35       $ 79 
You would pay the following expenses on the same $1,000 investment 
assuming no redemption at the end of the period: 
  Class A .................................................................    $61       $79       $ 99       $155 
  Class B .................................................................    $15       $46       $ 80       $175 
  Class C .................................................................    $17       $51       $ 89       $193 
  Class D .................................................................    $ 6       $20       $ 35       $ 79 
</TABLE>

THE ABOVE EXAMPLES SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR 
FUTURE EXPENSES OR PERFORMANCE. ACTUAL EXPENSES OF EACH CLASS MAY BE GREATER 
OR LESS THAN THOSE SHOWN. 

The purpose of this table is to assist the investor in understanding the 
various costs and expenses that an investor in the Fund will bear directly or 
indirectly. For a more complete description of these costs and expenses, see 
"The Fund and its Management," "Purchase of Fund Shares--Plan of 
Distribution" and "Redemptions and Repurchases." 

Long-term shareholders of Class B and Class C may pay more in sales charges, 
including distribution fees, than the economic equivalent of the maximum 
front-end sales charges permitted by the NASD. 

                                       4
<PAGE>
FINANCIAL HIGHLIGHTS 
- ----------------------------------------------------------------------------- 

The following per share data and ratios for a share of beneficial interest 
outstanding throughout each period have been audited by Price Waterhouse LLP, 
independent accountants. The financial highlights should be read in 
conjunction with the financial statements and notes thereto and the 
unqualified report of the independent accountants which are contained in the 
Statement of Additional Information. Further information about the 
performance of the Fund is contained in the Fund's Annual Report to 
Shareholders, which may be obtained without charge upon request to the Fund. 

<TABLE>
<CAPTION>
                                                              FOR THE YEAR ENDED DECEMBER 31, 
                          ------------------------------------------------------------------------------------------------------ 
                            1997*++      1996       1995      1994       1993      1992     1991      1990       1989     1988 
                          ---------- ----------  --------- ---------  --------- --------  -------- ---------  --------  -------- 
<S>                       <C>        <C>         <C>       <C>        <C>       <C>       <C>      <C>        <C>       <C>  
CLASS B SHARES 
PER SHARE OPERATING 
 PERFORMANCE: 
Net asset value, 
 beginning of period  ...   $27.01      $27.16     $21.21    $23.10     $20.93    $20.66   $14.39    $14.81     $13.19   $12.21 
                          ---------- ----------  --------- ---------  --------- --------  -------- ---------  --------  -------- 
Net investment 
 income (loss) ..........    (0.10)      (0.08)      0.01      --        (0.09)     0.03     0.05      0.24       0.34     0.29 
Net realized and 
 unrealized gain (loss) .     8.34        2.86       8.87     (1.57)      3.94      0.71     7.90     (0.38)      2.99     1.03 
                          ---------- ----------  --------- ---------  --------- --------  -------- ---------  --------  -------- 
Total from investment 
 operations .............     8.24        2.78       8.88     (1.57)      3.85      0.74     7.95     (0.14)      3.33     1.32 
                          ---------- ----------  --------- ---------  --------- --------  -------- ---------  --------  -------- 
Less dividends and 
 distributions from: 
 Net investment income  .     --         (0.01)      --        --        (0.01)    (0.03)   (0.03)    (0.28)     (0.32)   (0.33) 
 Net realized gain.......    (5.74)      (2.92)     (2.93)    (0.32)     (1.67)    (0.44)   (1.65)     --        (1.39)    -- 
 Paid-in-capital.........     --          --         --        --         --        --       --        --         --      (0.01) 
                          ---------- ----------  --------- ---------  --------- --------  -------- ---------  --------  -------- 
TOTAL DIVIDENDS AND 
 DISTRIBUTIONS ..........    (5.74)      (2.93)     (2.93)    (0.32)     (1.68)    (0.47)   (1.68)    (0.28)     (1.71)   (0.34) 
                          ---------- ----------  --------- ---------  --------- --------  -------- ---------  --------  -------- 
NET ASSET VALUE, END OF 
 PERIOD .................   $29.51      $27.01     $27.16    $21.21     $23.10    $20.93   $20.66    $14.39     $14.81   $13.19 
                          ========== ==========  ========= =========  ========= ========  ======== =========  ========  ======== 
TOTAL INVESTMENT 
 RETURN+.................    31.55 %     10.53 %    42.20%    (6.75)%    18.70 %    3.84%   56.26%    (0.90)%    25.39%   10.84% 
RATIOS TO AVERAGE NET 
 ASSETS: 
Expenses.................     1.46 %      1.53 %     1.61%     1.71 %     1.61 %    1.72%    1.58%     1.70 %     1.66%    1.78% 
Net investment income 
 (loss) .................    (0.34)%     (0.33)%     0.06%     0.01 %    (0.59)%    0.18%    0.29%     1.67 %     2.23%    2.15% 
SUPPLEMENTAL DATA: 
Net assets, end of 
 period, in millions.....   $4,078      $3,099     $2,389    $1,490     $1,218      $459     $227       $89       $100      $90 
   
Portfolio turnover rate        275 %       279 %      256%      295 %      276 %     305%     264%      234 %      196%     133% 
Average commission rate 
 paid ...................  $0.0563     $0.0590       --        --         --        --       --        --         --       -- 


<FN>
- ------------ 
*      Prior to July 28, 1997, the Fund issued one class of shares. All shares 
       of the Fund held prior to that date, other than shares which were 
       purchased prior to April 30, 1984 (and with respect to such shares, 
       certain shares acquired through reinvestment of dividends and capital 
       gains distributions (collectively the "Old Shares")), have been 
       designated Class B shares. The Old Shares have been designated Class D 
       shares. 
++     The per share amounts were computed using an average number of shares 
       outstanding during the period. 
+      Does not reflect the deduction of sales charge. Calculated based on the 
       net asset value as of the last business day of the period. 

</FN>
</TABLE>
                                       5
<PAGE>
FINANCIAL HIGHLIGHTS--Continued 
- ----------------------------------------------------------------------------- 

<TABLE>
<CAPTION>
                                               FOR THE PERIOD 
                                               JULY 28, 1997* 
                                                   THROUGH 
                                                DECEMBER 31, 
                                                   1997++ 
                                             ------------------ 
<S>                                          <C>
CLASS A SHARES 
PER SHARE OPERATING PERFORMANCE: 
 Net asset value, beginning of period  .....     $  31.87 
                                             ------------------ 
 Net investment income .....................         0.05 
 Net realized and unrealized gain ..........         2.32 
                                             ------------------ 
 Total from investment operations ..........         2.37 
                                             ------------------ 
 Less distributions from net realized gain          (4.65) 
                                             ------------------ 
 Net asset value, end of period ............     $  29.59 
                                             ================== 
TOTAL INVESTMENT RETURN+ ...................         7.70%(1) 
RATIOS TO AVERAGE NET ASSETS: 
 Expenses ..................................         0.92%(2) 
 Net investment income .....................         0.38%(2) 
SUPPLEMENTAL DATA: 
 Net assets, end of period, in thousands  ..     $ 15,844 
 Portfolio turnover rate ...................          275% 
 Average commission rate paid ..............     $0.0563 

CLASS C SHARES 
PER SHARE OPERATING PERFORMANCE: 
 Net asset value, beginning of period  .....     $  31.87 
                                             ------------------ 
 Net investment loss .......................        (0.05) 
 Net realized and unrealized gain ..........         2.32 
                                             ------------------ 
 Total from investment operations ..........         2.27 
                                             ------------------ 
 Less distributions from net realized gain .        (4.65) 
                                             ------------------ 
 Net asset value, end of period ............     $  29.49 
                                             ================== 
TOTAL INVESTMENT RETURN+ ...................         7.39%(1) 
RATIOS TO AVERAGE NET ASSETS: 
 Expenses ..................................         1.66%(2) 
 Net investment loss .......................        (0.36)%(2) 
SUPPLEMENTAL DATA: 
 Net assets, end of period, in thousands  ..     $ 12,204 
 Portfolio turnover rate ...................          275% 
 Average commission rate paid ..............     $ 0.0563 

<FN>
- ------------ 
*      The date shares were first issued. 
++     The per share amounts were computed using an average number of shares 
       outstanding during the period. 
+      Does not reflect the deduction of sales charge. Calculated based on the 
       net asset value as of the last business day of the period. 
(1)    Not annualized. 
(2)    Annualized. 
</FN>
</TABLE>

                                       6
<PAGE>

FINANCIAL HIGHLIGHTS--Continued 
- ----------------------------------------------------------------------------- 

<TABLE>
<CAPTION>
                                               FOR THE PERIOD 
                                               JULY 28, 1997* 
                                                   THROUGH 
                                                DECEMBER 31, 
                                                   1997++ 
                                             ------------------ 
<S>                                          <C>
CLASS D SHARES 
PER SHARE OPERATING PERFORMANCE: 
 Net asset value, beginning of period  .....     $ 31.87 
                                             ------------------ 
 Net investment income .....................        0.07 
 Net realized and unrealized gain ..........        2.34 
                                             ------------------ 
 Total from investment operations ..........        2.41 
                                             ------------------ 
 Less distributions from net realized gain         (4.65) 
                                             ------------------ 
 Net asset value, end of period ............     $ 29.63 
                                             ================== 
TOTAL INVESTMENT RETURN+ ...................        7.83%(1) 
RATIOS TO AVERAGE NET ASSETS: 
 Expenses ..................................        0.64%(2) 
 Net investment income .....................        0.50%(2) 
SUPPLEMENTAL DATA: 
 Net assets, end of period, in thousands  ..     $49,772 
 Portfolio turnover rate ...................         275% 
 Average commission rate paid ..............     $0.0563 
<FN>
- ------------ 
*      The date shares were first issued. Shareholders who held shares of the 
       Fund prior to July 28, 1997 (the date the Fund converted to a multiple 
       class share structure) should refer to the Financial Highlights of 
       Class B to obtain the historical per share data and ratio information 
       of their shares. 
++     The per share amounts were computed using an average number of shares 
       outstanding during the period. 
+      Calculated based on the net asset value as of the last business day of 
       the period. 
(1)    Not annualized. 
(2)    Annualized. 
</FN>
</TABLE>

                                       7
<PAGE>
THE FUND AND ITS MANAGEMENT 
- ----------------------------------------------------------------------------- 

Dean Witter American Value Fund (the "Fund") is an open-end diversified 
management investment company incorporated in Maryland on December 13, 1979. 
The Fund was reorganized as a trust of the type commonly known as a 
"Massachusetts business trust" on April 30, 1987, at which time its name was 
changed from Dean Witter Industry-Valued Securities Inc. to Dean Witter 
American Value Fund. 

   Dean Witter InterCapital Inc. ("InterCapital" or the "Investment 
Manager"), whose address is Two World Trade Center, New York, New York 10048, 
is the Fund's Investment Manager. The Investment Manager, which was 
incorporated in July, 1992, is a wholly-owned subsidiary of Morgan Stanley 
Dean Witter & Co. a preeminent global financial services firm that maintains 
leading market positions in each of its three primary businesses -- 
securities, asset management and credit services. 

   InterCapital and its wholly-owned subsidiary, Dean Witter Services 
Company, Inc. ("DWSC"), serve in various investment management, advisory, 
management and administrative capacities to a total of 101 investment 
companies, 28 of which are listed on the New York Stock Exchange, with 
combined total assets of approximately $109.5 billion as of March 31, 1998. 
The Investment Manager also manages portfolios of pension plans, other 
institutions and individuals which aggregated approximately $4.1 billion at 
such date. 

   The Fund has retained the Investment Manager to provide administrative 
services, manage its business affairs and manage the investment of the Fund's 
assets, including the placing of orders for the purchase and sale of 
portfolio securities. InterCapital has retained DWSC to perform the 
aforementioned administrative services for the Fund. 

   The Fund's Board of Trustees reviews the various services provided by or 
under the direction of the Investment Manager to ensure that the Fund's 
general investment policies and programs are being properly carried out and 
that administrative services are being provided in a satisfactory manner. 

   As full compensation for the services and facilities furnished to the Fund 
and for expenses of the Fund assumed by the Investment Manager, the Fund pays 
the Investment Manager monthly compensation calculated daily by applying the 
following annual rates to the net assets of the Fund determined as of the 
close of each business day: 0.625% of the portion of daily net assets not 
exceeding $250 million; 0.50% of the portion of daily net assets exceeding 
$250 million but not exceeding $2.5 billion; 0.475% of the portion of daily 
net assets exceeding $2.5 billion but not exceeding $3.5 billion; 0.45% of 
the portion of daily net assets exceeding $3.5 billion but not exceeding $4.5 
billion; and 0.425% of the portion of daily net assets exceeding $4.5 
billion. For the fiscal year ended December 31, 1997, the Fund accrued total 
compensation to the Investment Manager amounting to 0.50% of the Fund's 
average daily net assets and the total expenses of Class B amounted to 1.46% 
of the Fund's average daily net assets of Class B. Shares of Class A, Class C 
and Class D were first issued on July 28, 1997. The expenses of the Fund 
include: the fee of the Investment Manager; the fee pursuant to the Plan of 
Distribution (see "Purchase of Fund Shares"); taxes, transfer agent, 
custodian and auditing fees; certain legal fees; and printing and other 
expenses relating to the Fund's operations which are not expressly assumed by 
the Investment Manager under its Investment Management Agreement with the 
Fund. 

INVESTMENT OBJECTIVE AND POLICIES 
- ----------------------------------------------------------------------------- 

The investment objective of the Fund is long-term capital growth 
consistent with an effort to reduce volatility. There is no assurance that 
the Fund's objective will be achieved. The investment objective may not be 
changed without the approval of the shareholders of the Fund. The investment 
policies discussed below may be changed without shareholder approval. 

   The Fund seeks to achieve its investment objective by investing in a 
diversified portfolio of securities consisting principally of common stocks. 
The Fund utilizes an investment process that places primary emphasis on 
seeking to identify industries, rather than individual companies, as 
prospects for capital appreciation. The Investment Manager seeks to invest 
the assets of the Fund in those industries that, at the time of investment, 
are attractively valued given their above average relative earnings growth 
potential at that time. Therefore, the Fund is typically over-weighted in 
those sectors deemed to be attractive given their potential for above average 
earnings growth. 

   After selection of the Fund's target industries, specific company 
investments are selected. In this process, the Investment Manager seeks to 
identify companies whose prospects are deemed attractive on the basis of an 
evaluation of valuation screens and prospective company fundamentals. 

                                       8
<PAGE>
   The Investment Manager seeks to identify what stage of the business cycle 
the economy is in and which industry groups have historically outperformed 
the overall market during that stage of the cycle, i.e., typically, groups 
that tend to have the highest relative earnings growth at that point in the 
cycle. The Investment Manager also analyzes secular trends such as 
demographics, international trade, etc., that could cause the current cycle 
to differ from prior cycles and attempts to weight the portfolio 
appropriately, given those factors. 

   Following selection of the Fund's specific investments, the Investment 
Manager will attempt to allocate the assets of the Fund so as to reduce the 
volatility of its portfolio. In doing so, the Fund may hold a portion of its 
portfolio in fixed-income securities (including zero coupon securities) in an 
effort to moderate extremes of price fluctuations. The Fund may invest up to 
35% of its portfolio in common stocks of non-U.S. companies, including 
American Depository Receipts (which are custody receipts with respect to 
foreign securities), in companies in industries which have not been 
determined to be attractively valued or moderately attractively valued by the 
Investment Manager, and in convertible debt securities and warrants, 
convertible preferred securities, U.S. Government securities (securities 
issued or guaranteed as to principal and interest by the United States or its 
agencies and instrumentalities) and investment grade corporate debt 
securities when, in the opinion of the Investment Manager, the projected 
total return on such securities is equal to or greater than the expected 
total return on common stocks, or when such holdings might be expected to 
reduce the volatility of the portfolio, and in money market instruments under 
any one or more of the following circumstances: (i) pending investment of 
proceeds of the sale of Fund shares or of portfolio securities; (ii) pending 
settlement of purchases of portfolio securities; or (iii) to maintain 
liquidity for the purpose of meeting anticipated redemptions. Greater than 
35% of the Fund's total assets may be invested in money market instruments to 
maintain, temporarily, a "defensive" posture when, in the opinion of the 
Investment Manager, it is advisable to do so because of economic or market 
conditions. 

   Because prices of stocks fluctuate from day to day, the value of an 
investment in the Fund will vary based upon the Fund's investment 
performance. The Fund is intended for long-term investors who can accept the 
risks involved in seeking long-term growth of capital through investment in 
the securities of large, medium and small-capitalization companies. Emphasis 
on attractive industries may run contrary to general market assessments and 
may involve risks associated with departure from typical S&P 500 industry 
weightings. It should be recognized that investing in small and 
medium-capitalization companies involves greater risk than is customarily 
associated with investing in more established companies. 

CONVERTIBLE SECURITIES. A convertible security is a bond, debenture, note, 
preferred stock or other security that may be converted into or exchanged for 
a prescribed amount of common stock of the same or a different issuer within 
a particular period of time at a specified price or formula. Convertible 
securities rank senior to common stocks in a corporation's capital structure 
and, therefore, entail less risk than the corporation's common stock. The 
value of a convertible security is a function of its "investment value" (its 
value as if it did not have a conversion privilege), and its "conversion 
value" (the security's worth if it were to be exchanged for the underlying 
security, at market value, pursuant to its conversion privilege). For a 
discussion of the risks of investing in convertible securities, see "Risk 
Considerations" below. 

   The Fund may purchase securities on a when-issued or delayed delivery 
basis, may purchase or sell securities on a forward commitment basis and may 
purchase securities on a "when, as and if issued" basis as discussed under 
"Risk Considerations" below. 

OPTIONS AND FUTURES TRANSACTIONS 

The Fund may purchase and sell (write) call and put options on debt and 
equity securities which are listed on Exchanges or are written in 
over-the-counter transactions ("OTC Options"). Listed options, which are 
currently listed on several different Exchanges, are issued by the Options 
Clearing Corporation ("OCC"). Ownership of a listed call option gives the 
Fund the right to buy from the OCC the underlying security covered by the 
option at the stated exercise price (the price per unit of the underlying 
security) by filing an exercise notice prior to the expiration date of the 
option. The writer (seller) of the option would then have the obligation to 
sell to the OCC the underlying security at that exercise price prior to the 
expiration date of the option, regardless of its then current market price. 
Ownership of a listed put option would give the Fund the right to sell the 
underlying security to the OCC at the stated exercise price. The Fund will 
not write covered options on portfolio securities exceeding in the aggregate 
25% of the value of its total assets. 

OTC OPTIONS. OTC options are purchased from or sold (written) to dealers or 
financial institutions which have entered into direct agreements with the 
Fund. With OTC options, such variables as expiration date, exercise price 

                                       9
<PAGE>
and premium will be agreed upon between the Fund and the transacting dealer, 
without the intermediation of a third party such as the OCC. The Fund will 
engage in OTC option transactions only with primary U.S. Government 
securities dealers recognized by the Federal Reserve Bank of New York. 

COVERED CALL WRITING. The Fund is permitted to write covered call options on 
portfolio securities in order to aid it in achieving its investment 
objective. As a writer of a call option, the Fund has the obligation, upon 
notice of exercise of the option, to deliver the security underlying the 
option (certain listed and OTC call options written by the Fund will be 
exercisable by the purchaser only on a specific date). 

COVERED PUT WRITING. As a writer of covered put options, the Fund incurs an 
obligation to buy the security underlying the option from the purchaser of 
the put at the option's exercise price at any time during the option period. 
The Fund will write put options for two purposes: (1) to receive the premiums 
paid by purchasers; and (2) when the Investment Manager wishes to purchase 
the security underlying the option at a price lower than its current market 
price, in which case it will write the covered put at an exercise price 
reflecting the lower purchase price sought. 

PURCHASING CALL AND PUT OPTIONS. The Fund may invest up to 10% of its total 
assets in the purchase of put and call options on securities and stock 
indexes, with a maximum of 5% of the Fund's total assets invested in stock 
index options. The Fund may purchase put options on securities which it holds 
(or has the right to acquire) in its portfolio only to protect itself against 
a decline in the value of the security. The Fund may also purchase put 
options to close out written put positions in a manner similar to call option 
closing purchase transactions. There are no other limits on the Fund's 
ability to purchase call and put options. 

STOCK INDEX OPTIONS. The Fund may purchase and write options on stock indexes 
for hedging purposes. Options on stock indexes are similar to options on 
stock except that, rather than the right to take or make delivery of stock at 
a specified price, an option on a stock index gives the holder the right to 
receive, upon exercise of the option, an amount of cash if the closing level 
of the stock index upon which the option is based is greater than, in the 
case of a call, or less than, in the case of a put, the exercise price of the 
option. See "Risks of Options on Indexes" in the Statement of Additional 
Information. 

FUTURES CONTRACTS. The Fund may purchase and sell interest rate and stock 
index futures contracts ("futures contracts") that are traded on U.S. 
commodity exchanges on such underlying securities as U.S. Treasury bonds, 
notes, and bills and GNMA Certificates ("interest rate" futures) and such 
indexes as the S&P 500 Index and the New York Stock Exchange Composite Index 
("stock index" futures) and the Moody's Investment-Grade Corporate Bond Index 
("bond index" futures). As a futures contract purchaser, the Fund incurs an 
obligation to take delivery of a specified amount of the obligation 
underlying the contract at a specified time in the future for a specified 
price. As a seller of a futures contract, the Fund incurs an obligation to 
deliver the specified amount of the underlying obligation at a specified time 
in return for an agreed upon price. The Fund will purchase or sell interest 
rate futures contracts and bond index futures contracts for the purpose of 
hedging its fixed-income portfolio securities (or anticipated portfolio 
securities) against changes in prevailing interest rates. The Fund will 
purchase or sell stock index futures contracts for the purpose of hedging its 
equity portfolio securities (or anticipated portfolio securities) against 
changes in their prices. 

   The Fund also may purchase and write call and put options on futures 
contracts and enter into closing transactions with respect to such options to 
terminate an existing position. 

RISKS OF OPTIONS AND FUTURES TRANSACTIONS. The Fund may close out its 
position as writer of an option, or as a buyer or seller of a futures 
contract only if a liquid secondary market exists for options or futures 
contracts of that series. There is no assurance that such a market will 
exist. Also, exchanges may limit the amount by which the price of many 
futures contracts may move on any day. If the price moves equal the daily 
limit on successive days, then it may prove impossible to liquidate a futures 
position until the daily limit moves have ceased. 

   The extent to which the Fund may enter into transactions involving options 
and futures contracts may be limited by the Internal Revenue Code's 
requirements for qualification as a regulated investment company and the 
Fund's intention to qualify as such. See "Dividends, Distributions and 
Taxes." 

   While the futures contracts and options transactions to be engaged in by 
the Fund for the purpose of hedging the Fund's portfolio securities are not 
speculative in nature, there are risks inherent in the use of such 
instruments. One such risk is that the Investment Manager could be incorrect 
in its expectations as to the direction or extent of various interest rate or 
price movements or the time span within which the movements take place. For 
example, if the Fund sold futures contracts for the sale of securities in 
anticipation of an increase in interest rates, and then interest rates went 
down, causing bond prices to rise, the Fund would incur 

                               10           
<PAGE>
a loss on the sale. Another risk which may arise in employing futures 
contracts to protect against the price volatility of portfolio securities is 
that the prices of securities and indexes subject to futures contracts (and 
thereby the futures contract prices) may correlate imperfectly with the 
behavior of the cash prices of the Fund's portfolio securities. See the 
Statement of Additional Information for a further discussion of risks. 

   New futures contracts, options and other financial products and various 
combinations thereof continue to be developed. The Fund may invest in any 
such futures, options or products as may be developed, to the extent 
consistent with its investment objective and applicable regulatory 
requirements. 

INVESTMENT IN REAL ESTATE INVESTMENT TRUSTS. The Fund may invest in real 
estate investment trusts, which pool investors' funds for investments 
primarily in commercial real estate properties. Investment in real estate 
investment trusts may be the most practical available means for the Fund to 
invest in the real estate industry (the Fund is prohibited from investing in 
real estate directly). As a shareholder in a real estate investment trust, 
the Fund would bear its ratable share of the real estate investment trust's 
expenses, including its advisory and administration fees. At the same time 
the Fund would continue to pay its own investment management fees and other 
expenses, as a result of which the Fund and its shareholders in effect will 
be absorbing duplicate levels of fees with respect to investments in real 
estate investment trusts. 

REPURCHASE AGREEMENTS. The Fund may enter into repurchase agreements, which 
may be viewed as a type of secured lending by the Fund, and which typically 
involve the acquisition by the Fund of debt securities from a selling 
financial institution such as a bank, savings and loan association or 
broker-dealer. The agreement provides that the Fund will sell back to the 
institution, and that the institution will repurchase the underlying security 
at a specified price and at a fixed time in the future, usually not more than 
seven days from the date of purchase. While repurchase agreements involve 
certain risks not associated with direct investments in debt securities, 
including the risks of default or bankruptcy of the selling financial 
institution, the Fund follows procedures designed to minimize those risks. 
These procedures include effecting repurchase transactions only with large, 
well-capitalized and well-established financial institutions whose financial 
condition will be continually monitored by the Investment Manager subject to 
procedures established by the Board of Trustees of the Fund. 

PRIVATE PLACEMENTS. The Fund may invest up to 5% of its total assets in 
securities which are subject to restrictions on resale because they have not 
been registered under the Securities Act of 1933, as amended (the "Securities 
Act"), or which are otherwise not readily marketable. (Securities eligible 
for resale pursuant to Rule 144A under the Securities Act, and determined to 
be liquid pursuant to the procedures discussed in the following paragraph, 
are not subject to the foregoing restriction.) These securities are generally 
referred to as private placements or restricted securities. Limitations on 
the resale of such securities may have an adverse effect on their 
marketability, and may prevent the Fund from disposing of them promptly at 
reasonable prices. The Fund may have to bear the expense of registering such 
securities for resale and the risk of substantial delays in effecting such 
registration. 

   Rule 144A under the Securities Act permits the Fund to sell restricted 
securities to qualified institutional buyers without limitation. The 
Investment Manager, pursuant to procedures adopted by the Trustees of the 
Fund, will make a determination as to the liquidity of each restricted 
security purchased by the Fund. If a restricted security is determined to be 
"liquid," such security will not be included within the category "illiquid 
securities," which under current policy may not exceed 15% of the Fund's net 
assets. However, investing in Rule 144A securities could have the effect of 
increasing the level of Fund illiquidity to the extent the Fund, at a 
particular point in time, may be unable to find qualified institutional 
buyers interested in purchasing such securities. 

FOREIGN SECURITIES. The Fund may invest up to 35% of the value of its total 
assets, at the time of purchase, in securities issued by foreign issuers. 
Foreign securities investments may be affected by changes in currency rates 
or exchange control regulations, changes in governmental administration or 
economic or monetary policy (in the United States and abroad) or changed 
circumstances in dealings between nations. Costs may be incurred in 
connection with conversions between various currencies held by the Fund. For 
a discussion of the risks of investing in foreign securities, see "Risk 
Considerations" below. 

SPECIFIC INVESTMENT POLICIES 

The Fund has adopted the following specific policies which are not 
fundamental investment policies and may be changed by the Board of Trustees. 

   1. At least 65% of the Fund's total assets will be invested in common 
stocks of U.S. companies which, at the time of purchase, were in undervalued 
or moderately valued industries as determined by the Investment Manager, 
except as stated in Paragraph (3) below. 

                               11           
<PAGE>
   2. Up to 35% of the value of the Fund's total assets may be invested in: 
(a) common stocks of non-U.S. companies, or companies in non-classified 
industries, including American Depository Receipts (which are custody 
receipts with respect to foreign securities) (the Fund's investments in 
unlisted foreign securities are deemed to be illiquid securities, which under 
the Fund's current investment policies may not in the aggregate amount to 
more than 15% of the Fund's net assets); (b) convertible debt securities 
(bonds, debentures, corporate notes, preferred stock and other securities) 
which are convertible into common stock; (c) U.S. Government securities and 
investment grade corporate debt securities when, in the opinion of the 
Investment Manager, the projected total return on such securities is equal to 
or greater than the expected total return on equity securities, or when such 
holdings might be expected to reduce the volatility of the portfolio; and (d) 
money market instruments under any one or more of the following 
circumstances: (i) pending investment of proceeds of sale of shares of the 
Fund or of portfolio securities; (ii) pending settlement of purchases of 
portfolio securities; or (iii) to maintain liquidity for the purpose of 
meeting anticipated redemptions. 

   3. Notwithstanding any of the foregoing limitations, the Fund may invest 
more than 35% of the Fund's total assets in money market instruments to 
maintain, temporarily, a "defensive" posture when, in the opinion of the 
Investment Manager, it is advisable to do so because of economic or market 
conditions, including, for example, times during which the Investment Manager 
believes the risk, or volatility, relative to expected returns of the 
securities it monitors, is excessive. 

   The foregoing limitations apply at the time of acquisition based on the 
last determined market value of the Fund's assets, and any subsequent change 
in any applicable percentage resulting from market fluctuations or other 
changes in total assets will not require elimination of any security from the 
portfolio. 

RISK CONSIDERATIONS 

The net asset value of the Fund's shares will fluctuate with changes in the 
market value of its portfolio securities. The market value of the Fund's 
portfolio securities will increase or decrease due to a variety of economic, 
market or political factors which cannot be predicted. The Fund is intended 
for long-term investors who can accept the risks involved in seeking 
long-term growth of capital through investment primarily in the securities of 
small and medium-sized growth companies. It should be recognized that 
investing in such companies involves greater risk than is customarily 
associated with investing in more established companies. 

FOREIGN SECURITIES. Foreign securities investments may be affected by changes 
in currency rates or exchange control regulations, changes in governmental 
administration or economic or monetary policy (in the United States and 
abroad) or changed circumstances in dealings between nations. Fluctuations in 
the relative rates of exchange between the currencies of different nations 
will affect the value of the Fund's investments denominated in foreign 
currency. Changes in foreign currency exchange rates relative to the U.S. 
dollar will affect the U.S. dollar value of the Fund's assets denominated in 
that currency and thereby impact upon the Fund's total return on such assets. 
When purchasing foreign securities, the Fund will generally enter into 
foreign currency exchange transactions or forward foreign exchange contracts 
to facilitate settlement. The Fund will utilize forward foreign exchange 
contracts in these instances as an attempt to limit the effect of changes in 
the relationship between the U.S. dollar and the foreign currency during the 
period between the trade date and settlement date for the transaction. 

   Foreign currency exchange rates are determined by forces of supply and 
demand on the foreign exchange markets. These forces are themselves affected 
by the international balance of payments and other economic and financial 
conditions, government intervention, speculation and other factors. Moreover, 
foreign currency exchange rates may be affected by the regulatory control of 
the exchanges on which the currencies trade. The Fund will incur costs in 
connection with conversions between various currencies. 

   Investments in foreign securities will also occasion risks relating to 
political and economic developments abroad, including the possibility of 
expropriations or confiscatory taxation, limitations on the use or transfer 
of Fund assets and any effects of foreign social, economic or political 
instability. Foreign companies are not subject to the regulatory requirements 
of U.S. companies and, as such, there may be less publicly available 
information about such companies. Moreover, foreign companies are not subject 
to uniform accounting, auditing and financial reporting standards and 
requirements comparable to those applicable to U.S. companies. Finally, in 
the event of a default of any foreign debt obligations, it may be more 
difficult for the Fund to obtain or enforce a judgment against the issuers of 
such securities. 

   Securities of foreign issuers may be less liquid than comparable 
securities of U.S. issuers and, as such, their price changes may be more 
volatile. Furthermore, foreign exchanges and broker-dealers are generally 
subject 

                               12           
<PAGE>
to less government and exchange scrutiny and regulation than their American 
counterparts. Brokerage commissions, dealer concessions and other transaction 
costs may be higher on foreign markets than in the U.S. In addition, 
differences in clearance and settlement procedures on foreign markets may 
occasion delays in settlements of the Fund's trades effected in such markets. 
As such, the inability to dispose of portfolio securities due to settlement 
delays could result in losses to the Fund due to subsequent declines in value 
of such securities and the inability of the Fund to make intended security 
purchases due to settlement problems could result in a failure of the Fund to 
make potentially advantageous investments. Investments in certain issuers may 
be speculative due to certain political risks and may be subject to 
substantial price fluctuations. 

CONVERTIBLE SECURITIES. To the extent that a convertible security's 
investment value is greater than its conversion value, its price will be 
primarily a reflection of such investment value and its price will be likely 
to increase when interest rates fall and decrease when interest rates rise, 
as with a fixed-income security (the credit standing of the issuer and other 
factors may also have an effect on the convertible security's value). If the 
conversion value exceeds the investment value, the price of the convertible 
security will rise above its investment value and, in addition, the 
convertible security will sell at some premium over its conversion value. 
(This premium represents the price investors are willing to pay for the 
privilege of purchasing a fixed-income security with a possibility of capital 
appreciation due to the conversion privilege.) At such times the price of the 
convertible security will tend to fluctuate directly with the price of the 
underlying equity security. 

ZERO COUPON SECURITIES. A portion of the fixed-income securities purchased by 
the Fund may be zero coupon securities. Such securities are purchased at a 
discount from their face amount, giving the purchaser the right to receive 
their full value at maturity. The interest earned on such securities is, 
implicitly, automatically compounded and paid out at maturity. While such 
compounding at a constant rate eliminates the risk of receiving lower yields 
upon reinvestment of interest if prevailing interest rates decline, the owner 
of a zero coupon security will be unable to participate in higher yields upon 
reinvestment of interest received on interest-paying securities if prevailing 
interest rates rise. 

   A zero coupon security pays no interest to its holder during its life. 
Therefore, to the extent the Fund invests in zero coupon securities, it will 
not receive current cash available for distribution to shareholders. In 
addition, zero coupon securities are subject to substantially greater price 
fluctuations during periods of changing prevailing interest rates than are 
comparable securities which pay interest on a current basis. Current federal 
tax law requires that a holder (such as the Fund) of a zero coupon security 
accrue a portion of the discount at which the security was purchased as 
income each year even though the Fund receives no interest payments in cash 
on the security during the year. 

WHEN-ISSUED AND DELAYED DELIVERY SECURITIES AND FORWARD COMMITMENTS. From 
time to time, in the ordinary course of business, the Fund may purchase 
securities on a when-issued or delayed delivery basis or may purchase or sell 
securities on a forward commitment basis. When such transactions are 
negotiated, the price is fixed at the time of the commitment, but delivery 
and payment can take place a month or more after the date of the commitment. 
There is no overall limit on the percentage of the Fund's assets which may be 
committed to the purchase of securities on a when-issued, delayed delivery or 
forward commitment basis. An increase in the percentage of the Fund's assets 
committed to the purchase of securities on a when-issued, delayed delivery or 
forward commitment basis may increase the volatility of the Fund's net asset 
value. 

WHEN, AS AND IF ISSUED SECURITIES. The Fund may purchase securities on a 
"when, as and if issued" basis under which the issuance of the security 
depends upon the occurrence of a subsequent event, such as approval of a 
merger, corporate reorganization, leveraged buyout or debt restructuring. If 
the anticipated event does not occur and the securities are not issued, the 
Fund will have lost an investment opportunity. There is no overall limit on 
the percentage of the Fund's assets which may be committed to the purchase of 
securities on a "when, as and if issued" basis. An increase in the percentage 
of the Fund's assets committed to the purchase of securities on a "when, as 
and if issued" basis may increase the volatility of the Fund's net asset 
value. 

YEAR 2000. The investment management services provided to the Fund by the 
Investment Manager and the services provided to shareholders by the 
Distributor and the Transfer Agent depend on the smooth functioning of their 
computer systems. Many computer software systems in use today cannot 
recognize the year 2000, but revert to 1900 or some other date, due to the 
manner in which dates were encoded and calculated. That failure could have a 
negative impact on the handling of securities trades, pricing and account 
services. The Investment Manager, the Distributor and the Transfer Agent have 
been actively working on necessary changes to their own computer systems to 
prepare for the year 2000 and expect that their systems will be adapted 
before that date, but there can be no assurance that they will be success- 

                               13           
<PAGE>
ful, or that interaction with other non-complying computer systems will not 
impair their services at that time. 

   In addition, it is possible that the markets for securities in which the 
Fund invests may be detrimentally affected by computer failures throughout 
the financial services industry beginning January 1, 2000. Improperly 
functioning trading systems may result in settlement problems and liquidity 
issues. In addition, corporate and governmental data processing errors may 
result in production problems for individual companies and overall economic 
uncertainties. Earnings of individual issuers will be affected by remediation 
costs, which may be substantial and may be reported inconsistently in U.S. 
and foreign financial statements. Accordingly, the Fund's investments may be 
adversely affected. 

PORTFOLIO MANAGEMENT 

The Fund's portfolio is actively managed by its Investment Manager with a 
view to achieving the Fund's investment objective. In determining which 
securities to purchase for the Fund or hold in the Fund's portfolio, the 
Investment Manager will rely on information from various sources, including 
research, analysis and appraisals of brokers and dealers, including Dean 
Witter Reynolds Inc. ("DWR"), Morgan Stanley & Co. Incorporated and other 
broker-dealer affiliates of InterCapital, and others regarding economic 
developments and interest rate trends, and the Investment Manager's own 
analysis of factors it deems relevant. No particular emphasis is given to 
investments in securities for the purpose of earning current income. The 
Fund's portfolio is managed within InterCapital's Sector Rotation Group, 
which manages 7 equity funds and fund portfolios with approximately $7.1 
billion in assets as of March 31, 1998. Anita H. Kolleeny, Senior Vice 
President of InterCapital and head of InterCapital's Sector Rotation Group, 
has been the primary portfolio manager of the Fund for over five years and is 
assisted by Michelle Kaufman, Vice President of InterCapital. Ms. Kolleeny 
has been a portfolio manager at InterCapital for over five years. Ms. Kaufman 
is a member of InterCapital's Sector Rotation Group and, prior to joining 
InterCapital in September 1993, was a securities analyst with Woodward and 
Associates (March-August, 1993) and JRO and Associates (December, 1992). 

   Although the Fund does not engage in substantial short-term trading as a 
means of achieving its investment objective, it may sell portfolio securities 
without regard to the length of time they have been held, in accordance with 
the investment policies described earlier. It is anticipated that, under 
normal circumstances, the Fund's portfolio turnover rate will not exceed 400% 
in any one year. The Fund will incur brokerage costs commensurate with its 
portfolio turnover rate. Short term gains and losses may result from such 
portfolio transactions. See "Dividends, Distributions and Taxes" for a 
discussion of the tax implications of the Fund's trading policy. A more 
extensive discussion of the Fund's portfolio brokerage policies is set forth 
in the Statement of Additional Information. 

   Orders for transactions in portfolio securities and commodities are placed 
for the Fund with a number of brokers and dealers, including DWR, Morgan 
Stanley & Co. Incorporated and other brokers and dealers that are affiliates 
of the Investment Manager. The Fund may incur brokerage commissions on 
transactions conducted through such affiliates. Pursuant to an order of the 
Securities and Exchange Commission the Fund may effect principal transactions 
in certain money market instruments with DWR. 

INVESTMENT RESTRICTIONS 
- ----------------------------------------------------------------------------- 

The investment restrictions listed below are among the restrictions which 
have been adopted by the Fund as fundamental policies. Under the Investment 
Company Act of 1940, as amended (the "Act"), a fundamental policy may not be 
changed without the vote of a majority of the outstanding voting securities 
of the Fund, as defined in the Act. For purposes of the following 
limitations: (i) all percentage limitations apply immediately after a 
purchase or initial investment; and (ii) any subsequent change in any 
applicable percentage resulting from market fluctuations or other changes in 
total or net assets does not require elimination of any security from the 
portfolio. 

   The Fund may not: 

   1. Invest more than 5% of the value of its total assets in the securities 
of any one issuer (other than obligations issued, or guaranteed by, the 
United States Government, its agencies or instrumentalities). 

   2. Purchase more than 10% of all outstanding voting securities or any 
class of securities of any one issuer. 

   3. Invest more than 25% of the value of its total assets in securities of 
issuers in any one industry. This restriction does not apply to obligations 
issued or guaranteed by the United States Government or its agencies or 
instrumentalities or to cash equivalents. 

                               14           
<PAGE>
   4. Invest more than 5% of the value of its total assets in securities of 
issuers having a record, together with predecessors, of less than three years 
of continuous operation. This restriction shall not apply to any obligation 
of the United States Government, its agencies or instrumentalities. 

   Notwithstanding any other investment policy or restriction, the Fund may 
seek to achieve its investment objective by investing all or substantially 
all of its assets in another investment company having substantially the same 
investment objective and policies as the Fund. 

PURCHASE OF FUND SHARES 
- ----------------------------------------------------------------------------- 

GENERAL 

The Fund offers each class of its shares for sale to the public on a 
continuous basis. Pursuant to a Distribution Agreement between the Fund and 
Dean Witter Distributors Inc. (the "Distributor"), an affiliate of the 
Investment Manager, shares of the Fund are distributed by the Distributor and 
offered by DWR and other brokers and dealers which have entered into 
agreements with the Distributor ("Selected Broker-Dealers"). The principal 
executive office of the Distributor is located at Two World Trade Center, New 
York, New York 10048. 

   The Fund offers four classes of shares (each, a "Class"). Class A shares 
are sold to investors with an initial sales charge that declines to zero for 
larger purchases; however, Class A shares sold without an initial sales 
charge are subject to a contingent deferred sales charge ("CDSC") of 1.0% if 
redeemed within one year of purchase, except for certain specific 
circumstances. Class B shares are sold without an initial sales charge but 
are subject to a CDSC (scaled down from 5.0% to 1.0%) payable upon most 
redemptions within six years after purchase. (Class B shares purchased by 
certain qualified plans are subject to a CDSC scaled down from 2.0% to 1.0% 
if redeemed within three years after purchase.) Class C shares are sold 
without an initial sales charge but are subject to a CDSC of 1.0% on most 
redemptions made within one year after purchase. Class D shares are sold 
without an initial sales charge or CDSC and are available only to investors 
meeting an initial investment minimum of $5 million ($25 million for certain 
qualified plans), and to certain other limited categories of investors. At 
the discretion of the Board of Trustees of the Fund, Class A shares may be 
sold to categories of investors in addition to those set forth in this 
prospectus at net asset value without a front-end sales charge, and Class D 
shares may be sold to certain other categories of investors, in each case as 
may be described in the then current prospectus of the Fund. See "Alternative 
Purchase Arrangements--Selecting a Particular Class" for a discussion of 
factors to consider in selecting which Class of shares to purchase. 

   The minimum initial purchase is $1,000 for each Class of shares, although 
Class D shares are only available to persons investing $5 million ($25 
million for certain qualified plans) or more and to certain other limited 
categories of investors. For the purpose of meeting the minimum $5 million 
(or $25 million) initial investment for Class D shares, and subject to the 
$1,000 minimum initial investment for each Class of the Fund, an investor's 
existing holdings of Class A shares of the Fund and other Dean Witter Funds 
that are multiple class funds ("Dean Witter Multi-Class Funds") and shares of 
Dean Witter Funds sold with a front-end sales charge ("FSC Funds") and 
concurrent investments in Class D shares of the Fund and other Dean Witter 
Multi-Class Funds will be aggregated. Subsequent purchases of $100 or more 
may be made by sending a check, payable to Dean Witter American Value Fund, 
directly to Morgan Stanley Dean Witter Trust FSB (the "Transfer Agent" or 
"MSDW Trust") at P.O. Box 1040, Jersey City, NJ 07303 or by contacting an 
account executive of DWR or other Selected Broker-Dealer. When purchasing 
shares of the Fund, investors must specify whether the purchase is for Class 
A, Class B, Class C or Class D shares. If no Class is specified, the Transfer 
Agent will not process the transaction until the proper Class is identified. 
The minimum initial purchase in the case of investments through EasyInvest 
(Service Mark), an automatic purchase plan (see "Shareholder Services"), is 
$100, provided that the schedule of automatic investments will result in 
investments totalling $1,000 within the first twelve months. The minimum 
initial purchase in the case of an "Education IRA" is $500, if the 
Distributor has reason to believe that additional investments will increase 
the investment in the account to $1,000 within three years. In the case of 
investments pursuant to (i) Systematic Payroll Deduction Plans (including 
Individual Retirement Plans), (ii) the InterCapital mutual fund asset 
allocation program and (iii) fee-based programs approved by the Distributor, 
pursuant to which participants pay an asset based fee for services in the 
nature of investment advisory, administrative and/or brokerage services, the 
Fund, in its discretion, may accept investments without regard to any minimum 
amounts which would otherwise be required, provided, in the case of 
Systematic Payroll Deduction 

                               15           
<PAGE>
Plans, that the Distributor has reason to believe that additional investments 
will increase the investment in all accounts under such Plans to at least 
$1,000. Certificates for shares purchased will not be issued unless requested 
by the shareholder in writing to the Transfer Agent. 

   Shares of the Fund are sold through the Distributor on a normal three 
business day settlement basis; that is, payment is due on the third business 
day (settlement date) after the order is placed with the Distributor. Since 
DWR and other Selected Broker-Dealers forward investors' funds on settlement 
date, they will benefit from the temporary use of the funds if payment is 
made prior thereto. As noted above, orders placed directly with the Transfer 
Agent must be accompanied by payment. Investors will be entitled to receive 
income dividends and capital gains distributions if their order is received 
by the close of business on the day prior to the record date for such 
distributions. Sales personnel of a Selected Broker-Dealer are compensated 
for selling shares of the Fund at the time of their sale by the Distributor 
or any of its affiliates and/or the Selected Broker-Dealer. In addition, some 
sales personnel of the Selected Broker-Dealer will receive various types of 
non-cash compensation as special sales incentives, including trips, 
educational and/or business seminars and merchandise. The Fund and the 
Distributor reserve the right to reject any purchase orders. 

ALTERNATIVE PURCHASE ARRANGEMENTS 

The Fund offers several Classes of shares to investors designed to provide 
them with the flexibility of selecting an investment best suited to their 
needs. The general public is offered three Classes of shares: Class A shares, 
Class B shares and Class C shares, which differ principally in terms of sales 
charges and rate of expenses to which they are subject. A fourth Class of 
shares, Class D shares, is offered only to limited categories of investors 
(see "No Load Alternative--Class D Shares" below). 

   Each Class A, Class B, Class C or Class D share of the Fund represents an 
identical interest in the investment portfolio of the Fund except that Class 
A, Class B and Class C shares bear the expenses of the ongoing shareholder 
service fees, Class B and Class C shares bear the expenses of the ongoing 
distribution fees and Class A, Class B and Class C shares which are redeemed 
subject to a CDSC bear the expense of the additional incremental distribution 
costs resulting from the CDSC applicable to shares of those Classes. The 
ongoing distribution fees that are imposed on Class A, Class B and Class C 
shares will be imposed directly against those Classes and not against all 
assets of the Fund and, accordingly, such charges against one Class will not 
affect the net asset value of any other Class or have any impact on investors 
choosing another sales charge option. See "Plan of Distribution" and 
"Redemptions and Repurchases." 

   Set forth below is a summary of the differences between the Classes and 
the factors an investor should consider when selecting a particular Class. 
This summary is qualified in its entirety by the detailed discussion of each 
Class that follows this summary. 

CLASS A SHARES. Class A shares are sold at net asset value plus an initial 
sales charge of up to 5.25%. The initial sales charge is reduced for certain 
purchases. Investments of $1 million or more (and investments by certain 
other limited categories of investors) are not subject to any sales charges 
at the time of purchase but are subject to a CDSC of 1.0% on redemptions made 
within one year after purchase, except for certain specific circumstances. 
Class A shares are also subject to a 12b-1 fee of up to 0.25% of the average 
daily net assets of the Class. See "Initial Sales Charge Alternative--Class A 
Shares." 

CLASS B SHARES. Class B shares are offered at net asset value with no initial 
sales charge but are subject to a CDSC (scaled down from 5.0% to 1.0%) if 
redeemed within six years of purchase. (Class B shares purchased by certain 
qualified plans are subject to a CDSC scaled down from 2.0% to 1.0% if 
redeemed within three years after purchase.) This CDSC may be waived for 
certain redemptions. Class B shares are also subject to an annual 12b-1 fee 
of 1.0% of the lesser of: (a) the average daily aggregate gross sales of the 
Fund's Class B shares since the inception of the 12b-1 Plan on April 30, 1984 
(not including reinvestments of dividends or capital gains distributions), 
less the average daily aggregate net asset value of the Fund's Class B shares 
redeemed since the inception of the 12b-1 Plan upon which a CDSC has been 
imposed or waived, or (b) the average daily net assets of Class B 
attributable to shares issued, net of related shares redeemed, since 
inception of the 12b-1 Plan. The Class B shares' distribution fee will cause 
that Class to have higher expenses and pay lower dividends than Class A or 
Class D shares. 

   After approximately ten (10) years, Class B shares will convert 
automatically to Class A shares of the Fund, based on the relative net asset 
values of the shares of the two Classes on the conversion date. In addition, 
a certain portion of Class B shares that have been acquired through the 
reinvestment of dividends and distributions will be converted at that time. 
See "Contingent Deferred Sales Charge Alternative--Class B Shares." 

CLASS C SHARES. Class C shares are sold at net asset value with no initial 
sales charge but are subject to a 

                               16           
<PAGE>
CDSC of 1.0% on redemptions made within one year after purchase. This CDSC 
may be waived for certain redemptions. They are subject to an annual 12b-1 
fee of up to 1.0% of the average daily net assets of the Class C shares. The 
Class C shares' distribution fee may cause that Class to have higher expenses 
and pay lower dividends than Class A or Class D shares. See "Level Load 
Alternative--Class C Shares." 

CLASS D SHARES. Class D shares are available only to limited categories of 
investors (see "No Load Alternative--Class D Shares" below). Class D shares 
are sold at net asset value with no initial sales charge or CDSC. They are 
not subject to any 12b-1 fees. See "No Load Alternative--Class D Shares." 

SELECTING A PARTICULAR CLASS. In deciding which Class of Fund shares to 
purchase, investors should consider the following factors, as well as any 
other relevant facts and circumstances: 

   The decision as to which Class of shares is more beneficial to an investor 
depends on the amount and intended length of his or her investment. Investors 
who prefer an initial sales charge alternative may elect to purchase Class A 
shares. Investors qualifying for significantly reduced or, in the case of 
purchases of $1 million or more, no initial sales charges may find Class A 
shares particularly attractive because similar sales charge reductions are 
not available with respect to Class B or Class C shares. Moreover, Class A 
shares are subject to lower ongoing expenses than are Class B or Class C 
shares over the term of the investment. As an alternative, Class B and Class 
C shares are sold without any initial sales charge so the entire purchase 
price is immediately invested in the Fund. Any investment return on these 
additional investment amounts may partially or wholly offset the higher 
annual expenses of these Classes. Because the Fund's future return cannot be 
predicted, however, there can be no assurance that this would be the case. 

   Finally, investors should consider the effect of the CDSC period and any 
conversion rights of the Classes in the context of their own investment time 
frame. For example, although Class C shares are subject to a significantly 
lower CDSC upon redemptions, they do not, unlike Class B shares, convert into 
Class A shares after approximately ten years, and, therefore, are subject to 
an ongoing 12b-1 fee of 1.0% (rather than the 0.25% fee applicable to Class A 
shares) for an indefinite period of time. Thus, Class B shares may be more 
attractive than Class C shares to investors with longer term investment 
outlooks. Other investors, however, may elect to purchase Class C shares if, 
for example, they determine that they do not wish to be subject to a 
front-end sales charge and they are uncertain as to the length of time they 
intend to hold their shares. 

   For the purpose of meeting the $5 million (or $25 million) minimum 
investment amount for Class D shares, holdings of Class A shares in all Dean 
Witter Multi-Class Funds, shares of FSC Funds and shares of Dean Witter Funds 
for which such shares have been exchanged will be included together with the 
current investment amount. 

   Sales personnel may receive different compensation for selling each Class 
of shares. Investors should understand that the purpose of a CDSC is the same 
as that of the initial sales charge in that the sales charges applicable to 
each Class provide for the financing of the distribution of shares of that 
Class. 

   Set forth below is a chart comparing the sales charge, 12b-1 fees and 
conversion options applicable to each Class of shares: 

<TABLE>
<CAPTION>
                                                          Conversion 
   Class          Sales Charge          12B-1 Fee           Feature 
- ---------  ------------------------- -------------  ---------------------- 
<S>          <C>                       <C>               <C>
    A         Maximum 5.25%               0.25%             No
              initial sales charge 
              Reduced for 
              Purchases of 
              $25,000 and over; 
              shares sold without 
              an initial sales 
              charge generally 
              subject to a 1.0% 
              CDSC during first 
              year.                                            
- ---------  ------------------------- -------------  ---------------------- 
     B        Maximum 5.0%                 1.0%           B shares convert 
              CDSC during the first                       to A shares 
              year decreasing                             automatically 
              to 0 after six years                        after 
                                                          approximately 
                                                          ten years 
- ---------  ------------------------- -------------  ---------------------- 
     C        1.0% CDSC during             1.0%           No
              first year                               
- ---------  ------------------------- -------------  ---------------------- 
     D        None                        None            No 
- ---------  ------------------------- -------------  ---------------------- 
</TABLE>

   See "Purchase of Fund Shares" and "The Fund and its Management" for a 
complete description of the sales charges and service and distribution fees 
for each Class of shares and "Determination of Net Asset Value," "Dividends, 
Distributions and Taxes" and "Shareholder Services--Exchange Privilege" for 
other differences between the Classes of shares. 

<PAGE>
INITIAL SALES CHARGE ALTERNATIVE-- 
CLASS A SHARES 

Class A shares are sold at net asset value plus an initial sales charge. In 
some cases, reduced sales charges may be available, as described below. 
Investments of $1 million or more (and investments by certain other limited 
categories of investors) are not subject to any sales charges at the time of 
purchase but are subject to a CDSC of 1.0% on redemptions made within one 
year after 

                               17           
<PAGE>
purchase (calculated from the last day of the month in which the shares were 
purchased), except for certain specific circumstances. The CDSC will be 
assessed on an amount equal to the lesser of the current market value or the 
cost of the shares being redeemed. The CDSC will not be imposed (i) in the 
circumstances set forth below in the section "Contingent Deferred Sales 
Charge Alternative--Class B Shares--CDSC Waivers," except that the references 
to six years in the first paragraph of that section shall mean one year in 
the case of Class A shares, and (ii) in the circumstances identified in the 
section "Additional Net Asset Value Purchase Options" below. Class A shares 
are also subject to an annual 12b-1 fee of up to 0.25% of the average daily 
net assets of the Class. 

   The offering price of Class A shares will be the net asset value per share 
next determined following receipt of an order (see "Determination of Net 
Asset Value" below), plus a sales charge (expressed as a percentage of the 
offering price) on a single transaction as shown in the following table: 

<TABLE>
<CAPTION>
                                Sales Charge 
                      -------------------------------- 
                       Percentage of     Approximate 
  Amount of Single    Public Offering   Percentage of 
     Transaction           Price       Amount Invested 
- --------------------  --------------- --------------- 
<S>                   <C>             <C>
Less than $25,000  ..      5.25%            5.54% 
$25,000 but less 
  than $50,000 ......      4.75%            4.99% 
$50,000 but less 
  than $100,000 .....      4.00%            4.17% 
$100,000 but less 
  than $250,000 .....      3.00%            3.09% 
$250,000 but less 
  than $1 million  ..      2.00%            2.04% 
$1 million and over           0                0 
</TABLE>

   Upon notice to all Selected Broker-Dealers, the Distributor may reallow up 
to the full applicable sales charge as shown in the above schedule during 
periods specified in such notice. During periods when 90% or more of the 
sales charge is reallowed, such Selected Broker-Dealers may be deemed to be 
underwriters as that term is defined in the Securities Act of 1933. 

   The above schedule of sales charges is applicable to purchases in a single 
transaction by, among others: (a) an individual; (b) an individual, his or 
her spouse and their children under the age of 21 purchasing shares for his, 
her or their own accounts; (c) a trustee or other fiduciary purchasing shares 
for a single trust estate or a single fiduciary account; (d) a pension, 
profit-sharing or other employee benefit plan qualified or non-qualified 
under Section 401 of the Internal Revenue Code; (e) tax-exempt organizations 
enumerated in Section 501(c)(3) or (13) of the Internal Revenue Code; (f) 
employee benefit plans qualified under Section 401 of the Internal Revenue 
Code of a single employer or of employers who are "affiliated persons" of 
each other within the meaning of Section 2(a)(3)(c) of the Act; and for 
investments in Individual Retirement Accounts of employees of a single 
employer through Systematic Payroll Deduction plans; or (g) any other 
organized group of persons, whether incorporated or not, provided the 
organization has been in existence for at least six months and has some 
purpose other than the purchase of redeemable securities of a registered 
investment company at a discount. 

COMBINED PURCHASE PRIVILEGE. Investors may have the benefit of reduced sales 
charges in accordance with the above schedule by combining purchases of Class 
A shares of the Fund in single transactions with the purchase of Class A 
shares of other Dean Witter Multi-Class Funds and shares of FSC Funds. The 
sales charge payable on the purchase of the Class A shares of the Fund, the 
Class A shares of the other Dean Witter Multi-Class Funds and the shares of 
the FSC Funds will be at their respective rates applicable to the total 
amount of the combined concurrent purchases of such shares. 

RIGHT OF ACCUMULATION. The above persons and entities may benefit from a 
reduction of the sales charges in accordance with the above schedule if the 
cumulative net asset value of Class A shares purchased in a single 
transaction, together with shares of the Fund and other Dean Witter Funds 
previously purchased at a price including a front-end sales charge (including 
shares of the Fund and other Dean Witter Funds acquired in exchange for those 
shares, and including in each case shares acquired through reinvestment of 
dividends and distributions), which are held at the time of such transaction, 
amounts to $25,000 or more. If such investor has a cumulative net asset value 
of shares of FSC Funds and Class A and Class D shares that, together with the 
current investment amount, is equal to at least $5 million ($25 million for 
certain qualified plans), such investor is eligible to purchase Class D 
shares subject to the $1,000 minimum initial investment requirement of that 
Class of the Fund. See "No Load Alternative--Class D Shares" below. 

   The Distributor must be notified by DWR or a Selected Broker-Dealer or the 
shareholder at the time a purchase order is placed that the purchase 
qualifies for the reduced charge under the Right of Accumulation. Similar 
notification must be made in writing by the dealer or shareholder when such 
an order is placed by mail. The reduced sales charge will not be granted if: 
(a) such notification is not furnished at the time of the order; or (b) a 
review of the records of the Selected Broker-Dealer or the Transfer Agent 
fails to confirm the investor's represented holdings. 

                               18           
<PAGE>
LETTER OF INTENT. The foregoing schedule of reduced sales charges will also 
be available to investors who enter into a written Letter of Intent providing 
for the purchase, within a thirteen-month period, of Class A shares of the 
Fund from DWR or other Selected Broker-Dealers. The cost of Class A shares of 
the Fund or shares of other Dean Witter Funds which were previously purchased 
at a price including a front-end sales charge during the 90-day period prior 
to the date of receipt by the Distributor of the Letter of Intent, or of 
Class A shares of the Fund or shares of other Dean Witter Funds acquired in 
exchange for shares of such funds purchased during such period at a price 
including a front-end sales charge, which are still owned by the shareholder, 
may also be included in determining the applicable reduction. 

ADDITIONAL NET ASSET VALUE PURCHASE OPTIONS. In addition to investments of $1 
million or more, Class A shares also may be purchased at net asset value by 
the following: 

   (1) trusts for which MSDW Trust (an affiliate of the Investment Manager) 
provides discretionary trustee services; 

   (2) persons participating in a fee-based program approved by the 
Distributor, pursuant to which such persons pay an asset based fee for 
services in the nature of investment advisory, administrative and/or 
brokerage services (such investments are subject to all of the terms and 
conditions of such programs, which may include termination fees, mandatory 
redemption upon termination and such other circumstances as specified in the 
programs' agreements, and restrictions on transferability of Fund shares); 

   (3) employer-sponsored 401(k) and other plans qualified under Section 
401(a) of the Internal Revenue Code ("Qualified Retirement Plans") with at 
least 200 eligible employees and for which MSDW Trust serves as Trustee or 
DWR's Retirement Plan Services serves as recordkeeper pursuant to a written 
Recordkeeping Services Agreement; 

   (4) Qualified Retirement Plans for which MSDW Trust serves as Trustee or 
DWR's Retirement Plan Services serves as recordkeeper pursuant to a written 
Recordkeeping Services Agreement whose Class B shares have converted to Class 
A shares, regardless of the plan's asset size or number of eligible 
employees; 

   (5) investors who are clients of a Dean Witter account executive who 
joined Dean Witter from another investment firm within six months prior to 
the date of purchase of Fund shares by such investors, if the shares are 
being purchased with the proceeds from a redemption of shares of an open-end 
proprietary mutual fund of the account executive's previous firm which 
imposed either a front-end or deferred sales charge, provided such purchase 
was made within sixty days after the redemption and the proceeds of the 
redemption had been maintained in the interim in cash or a money market fund; 
and 

   (6) other categories of investors, at the discretion of the Board, as 
disclosed in the then current prospectus of the Fund. 

   No CDSC will be imposed on redemptions of shares purchased pursuant to 
paragraphs (1), (2) or (5), above. 

   For further information concerning purchases of the Fund's shares, contact 
DWR or another Selected Broker-Dealer or consult the Statement of Additional 
Information. 

CONTINGENT DEFERRED SALES CHARGE 
ALTERNATIVE--CLASS B SHARES 

Class B shares are sold at net asset value next determined without an initial 
sales charge so that the full amount of an investor's purchase payment may be 
immediately invested in the Fund. A CDSC, however, will be imposed on most 
Class B shares redeemed within six years after purchase. The CDSC will be 
imposed on any redemption of shares if after such redemption the aggregate 
current value of a Class B account with the Fund falls below the aggregate 
amount of the investor's purchase payments for Class B shares made during the 
six years (or, in the case of shares held by certain Qualified Retirement 
Plans, three years) preceding the redemption. In addition, Class B shares are 
subject to an annual 12b-1 fee of 1.0% of the lesser of: (a) the average 
daily aggregate gross sales of the Fund's Class B shares since the 
implementation of the 12b-1 Plan on April 30, 1984 (not including 
reinvestments of dividends or capital gains distributions), less the average 
daily aggregate net asset value of the Fund's Class B shares redeemed since 
the implementation of the 12b-1 Plan upon which a CDSC has been imposed or 
waived, or (b) the average daily net assets of Class B attributable to shares 
issued, net of related shares redeemed, since implementation of the 12b-1 
Plan. 

   Except as noted below, Class B shares of the Fund which are held for six 
years or more after purchase (calculated from the last day of the month in 
which the shares were purchased) will not be subject to any CDSC upon 
redemption. Shares redeemed earlier than six years after purchase may, 
however, be subject to a CDSC which will be a percentage of the dollar amount 
of shares redeemed and will be assessed on an amount equal to the lesser of 
the current market value or the cost of the shares being redeemed. The size 
of this percentage will depend upon how long the shares have been held, as 
set forth in the following table: 

                               19           
<PAGE>
<TABLE>
<CAPTION>
         Year Since 
          Purchase            CDSC as a Percentage 
        Payment Made           of Amount Redeemed 
- --------------------------  ------------------------ 
<S>                         <C>
First......................           5.0% 
Second.....................           4.0% 
Third......................           3.0% 
Fourth.....................           2.0% 
Fifth......................           2.0% 
Sixth......................           1.0% 
Seventh and thereafter ....           None 
</TABLE>

   In the case of Class B shares of the Fund purchased on or after July 28, 
1997 by Qualified Retirement Plans for which MSDW Trust serves as Trustee or 
DWR's Retirement Plan Services serves as recordkeeper pursuant to a written 
Recordkeeping Services Agreement, shares held for three years or more after 
purchase (calculated as described in the paragraph above) will not be subject 
to any CDSC upon redemption. However, shares redeemed earlier than three 
years after purchase may be subject to a CDSC (calculated as described in the 
paragraph above), the percentage of which will depend on how long the shares 
have been held, as set forth in the following table: 

<TABLE>
<CAPTION>
         Year Since 
          Purchase            CDSC as a Percentage 
        Payment Made           of Amount Redeemed 
- --------------------------  ------------------------ 
<S>                         <C>
First .....................           2.0% 
Second ....................           2.0% 
Third .....................           1.0% 
Fourth and thereafter  ....           None 
</TABLE>

CDSC WAIVERS. A CDSC will not be imposed on: (i) any amount which represents 
an increase in value of shares purchased within the six years (or, in the 
case of shares held by certain Qualified Retirement Plans, three years) 
preceding the redemption; (ii) the current net asset value of shares 
purchased more than six years (or, in the case of shares held by certain 
Qualified Retirement Plans, three years) prior to the redemption; and (iii) 
the current net asset value of shares purchased through reinvestment of 
dividends or distributions and/or shares acquired in exchange for shares of 
FSC Funds or of other Dean Witter Funds acquired in exchange for such shares. 
Moreover, in determining whether a CDSC is applicable it will be assumed that 
amounts described in (i), (ii) and (iii) above (in that order) are redeemed 
first. 

   In addition, the CDSC, if otherwise applicable, will be waived in the case 
of: 

   (1) redemptions of shares held at the time a shareholder dies or becomes 
disabled, only if the shares are: (a) registered either in the name of an 
individual shareholder (not a trust), or in the names of such shareholder and 
his or her spouse as joint tenants with right of survivorship; or   (b) held 
in a qualified corporate or self-employed retirement plan, Individual 
Retirement Account ("IRA") or Custodial Account under Section 403(b)(7) of 
the Internal Revenue Code ("403(b) Custodial Account"), provided in either 
case that the redemption is requested within one year of the death or initial 
determination of disability; 

   (2) redemptions in connection with the following retirement plan 
distributions:   (a) lump-sum or other distributions from a qualified 
corporate or self-employed retirement plan following retirement (or, in the 
case of a "key employee" of a "top heavy" plan, following attainment of age 
59 1/2);   (b) distributions from an IRA or 403(b) Custodial Account following 
attainment of age 59 1/2; or   (c) a tax-free return of an excess contribution 
to an IRA; and 

   (3) all redemptions of shares held for the benefit of a participant in a 
Qualified Retirement Plan which offers investment companies managed by the 
Investment Manager or its subsidiary, Dean Witter Services Company Inc., as 
self-directed investment alternatives and for which MSDW Trust serves as 
Trustee or DWR's Retirement Plan Services serves as recordkeeper pursuant to 
a written Recordkeeping Services Agreement ("Eligible Plan"), provided that 
either:  (a) the plan continues to be an Eligible Plan after the redemption; 
or  (b) the redemption is in connection with the complete termination of the 
plan involving the distribution of all plan assets to participants. 

   With reference to (1) above, for the purpose of determining disability, 
the Distributor utilizes the definition of disability contained in Section 
72(m)(7) of the Internal Revenue Code, which relates to the inability to 
engage in gainful employment. With reference to (2) above, the term 
"distribution" does not encompass a direct transfer of IRA, 403(b) Custodial 
Account or retirement plan assets to a successor custodian or trustee. All 
waivers will be granted only following receipt by the Distributor of 
confirmation of the shareholder's entitlement. 

CONVERSION TO CLASS A SHARES. All shares of the Fund held prior to July 28, 
1997, other than shares which were purchased prior to April 30, 1984 (and, 
with respect to such shares, including such proportion of shares acquired 
through reinvestment of dividends and capital gains distributions as the 
total number of shares acquired prior to such date bears to the total number 
of Fund shares purchased and owned by the shareholder (collectively, the "Old 
Shares"), have been designated Class B shares. Shares held before May 1, 1997 
that have been designated Class B shares will convert to Class A shares in 
May, 2007. In all other instances Class B shares will convert automatically 
to Class A shares, based on the relative net asset values of the shares of 
the two Classes on the conversion date, which will be approximately ten (10) 
years after the date of the original purchase. The ten 

                               20           
<PAGE>
year period is calculated from the last day of the month in which the shares 
were purchased or, in the case of Class B shares acquired through an exchange 
or a series of exchanges, from the last day of the month in which the 
original Class B shares were purchased, provided that shares originally 
purchased before May 1, 1997 will convert to Class A shares in May, 2007. The 
conversion of shares purchased on or after May 1, 1997 will take place in the 
month following the tenth anniversary of the purchase. There will also be 
converted at that time such proportion of Class B shares acquired through 
automatic reinvestment of dividends and distributions owned by the 
shareholder as the total number of his or her Class B shares converting at 
the time bears to the total number of outstanding Class B shares purchased 
and owned by the shareholder. In the case of Class B shares held by a 
Qualified Retirement Plan for which MSDW Trust serves as Trustee or DWR's 
Retirement Plan Services serves as recordkeeper pursuant to a written 
Recordkeeping Services Agreement, the plan is treated as a single investor 
and all Class B shares will convert to Class A shares on the conversion date 
of the first shares of a Dean Witter Multi-Class Fund purchased by that plan. 
In the case of Class B shares previously exchanged for shares of an "Exchange 
Fund" (see "Shareholder Services--Exchange Privilege"), the period of time 
the shares were held in the Exchange Fund (calculated from the last day of 
the month in which the Exchange Fund shares were acquired) is excluded from 
the holding period for conversion. If those shares are subsequently 
re-exchanged for Class B shares of a Dean Witter Multi-Class Fund, the 
holding period resumes on the last day of the month in which Class B shares 
are reacquired. 

   If a shareholder has received share certificates for Class B shares, such 
certificates must be delivered to the Transfer Agent at least one week prior 
to the date for conversion. Class B shares evidenced by share certificates 
that are not received by the Transfer Agent at least one week prior to any 
conversion date will be converted into Class A shares on the next scheduled 
conversion date after such certificates are received. 

   Effectiveness of the conversion feature is subject to the continuing 
availability of a ruling of the Internal Revenue Service or an opinion of 
counsel that (i) the conversion of shares does not constitute a taxable event 
under the Internal Revenue Code, (ii) Class A shares received on conversion 
will have a basis equal to the shareholder's basis in the converted Class B 
shares immediately prior to the conversion, and (iii) Class A shares received 
on conversion will have a holding period that includes the holding period of 
the converted Class B shares. The conversion feature may be suspended if the 
ruling or opinion is no longer available. In such event, Class B shares would 
continue to be subject to Class B 12b-1 fees. 

LEVEL LOAD ALTERNATIVE--CLASS C SHARES 

Class C shares are sold at net asset value next determined without an initial 
sales charge but are subject to a CDSC of 1.0% on most redemptions made 
within one year after purchase (calculated from the last day of the month in 
which the shares were purchased). The CDSC will be assessed on an amount 
equal to the lesser of the current market value or the cost of the shares 
being redeemed. The CDSC will not be imposed in the circumstances set forth 
above in the section "Contingent Deferred Sales Charge Alternative--Class B 
Shares--CDSC Waivers," except that the references to six years in the first 
paragraph of that section shall mean one year in the case of Class C shares. 
Class C shares are subject to an annual 12b-1 fee of up to 1.0% of the 
average daily net assets of the Class. Unlike Class B shares, Class C shares 
have no conversion feature and, accordingly, an investor that purchases Class 
C shares will be subject to 12b-1 fees applicable to Class C shares for an 
indefinite period subject to annual approval by the Fund's Board of Trustees 
and regulatory limitations. 

NO LOAD ALTERNATIVE--CLASS D SHARES 

Class D shares are offered without any sales charge on purchase or redemption 
and without any 12b-1 fee. Class D shares are offered only to investors 
meeting an initial investment minimum of $5 million ($25 million for 
Qualified Retirement Plans for which MSDW Trust serves as Trustee or DWR's 
Retirement Plan Services serves as recordkeeper pursuant to a written 
Recordkeeping Services Agreement) and the following categories of investors: 
(i) investors participating in the InterCapital mutual fund asset allocation 
program pursuant to which such persons pay an asset based fee; (ii) persons 
participating in a fee-based program approved by the Distributor, pursuant to 
which such persons pay an asset based fee for services in the nature of 
investment advisory, administrative and/or brokerage services (subject to all 
of the terms and conditions of such programs, referred to in (i) and (ii) 
above, which may include termination fees, mandatory redemption upon 
termination and such other circumstances as specified in the programs' 
agreements, and restrictions on transferability of Fund shares); (iii) 401(k) 
plans established by DWR and SPS Transaction Services, Inc. (an affiliate of 
DWR) for their employees; (iv) certain Unit Investment Trusts sponsored by 
DWR; (v) certain other open-end investment companies whose 

                               21           
<PAGE>
shares are distributed by the Distributor; and (vi) other categories of 
investors, at the discretion of the Board, as disclosed in the then current 
prospectus of the Fund. The Old Shares have been designated Class D shares. 
Investors who require a $5 million (or $25 million) minimum initial 
investment to qualify to purchase Class D shares may satisfy that requirement 
by investing that amount in a single transaction in Class D shares of the 
Fund and other Dean Witter Multi-Class Funds, subject to the $1,000 minimum 
initial investment required for that Class of the Fund. In addition, for the 
purpose of meeting the $5 million (or $25 million) minimum investment amount, 
holdings of Class A shares in all Dean Witter Multi-Class Funds, shares of 
FSC Funds and shares of Dean Witter Funds for which such shares have been 
exchanged will be included together with the current investment amount. If a 
shareholder redeems Class A shares and purchases Class D shares, such 
redemption may be a taxable event. 

PLAN OF DISTRIBUTION 

The Fund has adopted a Plan of Distribution pursuant to Rule 12b-1 under the 
Act with respect to the distribution of Class A, Class B and Class C shares 
of the Fund. In the case of Class A and Class C shares, the Plan provides 
that the Fund will reimburse the Distributor and others for the expenses of 
certain activities and services incurred by them specifically on behalf of 
those shares. Reimbursements for these expenses will be made in monthly 
payments by the Fund to the Distributor, which will in no event exceed 
amounts equal to payments at the annual rates of 0.25% and 1.0% of the 
average daily net assets of Class A and Class C, respectively. In the case of 
Class B shares, the Plan provides that the Fund will pay the Distributor a 
fee, which is accrued daily and paid monthly, at the annual rate of 1.0% of 
the lesser of: (a) the average daily aggregate gross sales of the Fund's 
Class B shares since the implementation of the 12b-1 Plan on April 30, 1984 
(not including reinvestments of dividends or capital gains distributions), 
less the average daily aggregate net asset value of the Fund's Class B shares 
redeemed since that Plan's implementation upon which a CDSC has been imposed 
or waived, or (b) the average daily net assets of Class B attributable to 
shares issued, net of related shares redeemed, since implementation of the 
Fund's 12b-1 Plan. The fee is treated by the Fund as an expense in the year 
it is accrued. In the case of Class A shares, the entire amount of the fee 
currently represents a service fee within the meaning of the NASD guidelines. 
In the case of Class B and Class C shares, a portion of the fee payable 
pursuant to the Plan, equal to 0.25% of the average daily net assets of each 
of these Classes, is currently characterized as a service fee. A service fee 
is a payment made for personal service and/or the maintenance of shareholder 
accounts. 

   Additional amounts paid under the Plan in the case of Class B and Class C 
shares are paid to the Distributor for services provided and the expenses 
borne by the Distributor and others in the distribution of the shares of 
those Classes, including the payment of commissions for sales of the shares 
of those Classes and incentive compensation to and expenses of DWR's account 
executives and others who engage in or support distribution of shares or who 
service shareholder accounts, including overhead and telephone expenses; 
printing and distribution of prospectuses and reports used in connection with 
the offering of the Fund's shares to other than current shareholders; and 
preparation, printing and distribution of sales literature and advertising 
materials. In addition, the Distributor may utilize fees paid pursuant to the 
Plan in the case of Class B shares to compensate DWR and other Selected 
Broker-Dealers for their opportunity costs in advancing such amounts, which 
compensation would be in the form of a carrying charge on any unreimbursed 
expenses. 

   For the fiscal year ended December 31, 1997, Class B shares of the Fund 
accrued payments under the Plan amounting to $30,004,099, which amount is 
equal to 0.83% of the average daily net assets of Class B for the fiscal 
year. These payments were calculated pursuant to clause (a) of the 
compensation formula under the Plan. All shares held prior to July 28, 1997 
(other than the Old Shares) have been designated Class B shares. For the 
fiscal period July 28 through December 31, 1997, Class A and Class C shares 
of the Fund accrued payments under the Plan amounting to $7,380 and $26,712, 
respectively, which amounts on an annualized basis are equal to 0.25% and 
1.00% of the average daily net assets of Class A and Class C, respectively, 
for such period. 

   In the case of Class B shares, at any given time, the expenses in 
distributing Class B shares of the Fund may be in excess of the total of (i) 
the payments made by the Fund pursuant to the Plan, and (ii) the proceeds of 
CDSCs paid by investors upon the redemption of Class B shares. For example, 
if $1 million in expenses in distributing Class B shares of the Fund had been 
incurred and $750,000 had been received as described in (i) and (ii) above, 
the excess expense would amount to $250,000. The Distributor has advised the 
Fund that such excess amounts, including the carrying charge described above, 
totalled $72,540,376 at December 31, 1997, which was equal to 1.78% of the 
net assets of Class B on such date. Because there is no requirement under the 
Plan that the Distributor be reimbursed for all distribution expenses or any 
requirement that the Plan be continued from year to year, such excess amount 
does not constitute a liability of 

                               22           
<PAGE>
the Fund. Although there is no legal obligation for the Fund to pay expenses 
incurred in excess of payments made to the Distributor under the Plan, and 
the proceeds of CDSCs paid by investors upon redemption of shares, if for any 
reason the Plan is terminated the Trustees will consider at that time the 
manner in which to treat such expenses. Any cumulative expenses incurred, but 
not yet recovered through distribution fees or CDSCs, may or may not be 
recovered through future distribution fees or CDSCs. 

   In the case of Class A and Class C shares, expenses incurred pursuant to 
the Plan in any calendar year in excess of 0.25% or 1.0% of the average daily 
net assets of Class A or Class C, respectively, will not be reimbursed by the 
Fund in any subsequent year, except that expenses representing a gross sales 
commission credited to account executives at the time of sale may be 
reimbursed in the subsequent calendar year. The Distributor has advised the 
Fund that unreimbursed expenses representing a gross sales commission 
credited to account executives at the time of sale totalled $92,652 in the 
case of Class C at December 31, 1997, which amount was equal to 0.76% of the 
net assets of Class C on such date, and that there were no such expenses that 
may be reimbursed in the subsequent year in the case of Class A on such date. 
No interest or other financing charges will be incurred on any Class A or 
Class C distribution expenses incurred by the Distributor under the Plan or 
on any unreimbursed expenses due to the Distributor pursuant to the Plan. 

DETERMINATION OF NET ASSET VALUE 

The net asset value per share is determined once daily at 4:00 p.m., New York 
time (or, on days when the New York Stock Exchange closes prior to 4:00 p.m., 
at such earlier time), by taking the net assets of the Fund, dividing by the 
number of shares outstanding and adjusting to the nearest cent. The assets 
belonging to the Class A, Class B, Class C and Class D shares will be 
invested together in a single portfolio. The net asset value of each Class, 
however, will be determined separately by subtracting each Class's accrued 
expenses and liabilities. The net asset value per share will not be 
determined on Good Friday and on such other federal and non-federal holidays 
as are observed by the New York Stock Exchange. 

   In the calculation of the Fund's net asset value: (1) an equity portfolio 
security listed or traded on the New York or American Stock Exchange or other 
stock exchange is valued at its latest sale price on that exchange, prior to 
the time when assets are valued; if there were no sales that day, the 
security is valued at the latest bid price (in cases where a security is 
traded on more than one exchange, the security is valued on the exchange 
designated as the primary market pursuant to procedures adopted by the 
Trustees); and (2) all other portfolio securities for which over-the-counter 
market quotations are readily available are valued at the latest bid price. 
When market quotations are not readily available, including circumstances 
under which it is determined by the Investment Manager that sale or bid 
prices are not reflective of a security's market value, portfolio securities 
are valued at their fair value as determined in good faith under procedures 
established by and under the general supervision of the Fund's Trustees. For 
valuation purposes, quotations of foreign portfolio securities, other assets 
and liabilities and forward contracts stated in foreign currency are 
translated into U.S. dollar equivalents at the prevailing market rates prior 
to the close of the New York Stock Exchange. Dividends receivable are accrued 
as of the ex-dividend date or as of the time that the relevant ex-dividend 
date and amounts become known. 

   Short-term debt securities with remaining maturities of sixty days or less 
at the time of purchase are valued at amortized cost, unless the Trustees 
determine such does not reflect the securities' market value, in which case 
these securities will be valued at their fair value as determined by the 
Trustees. 

   Certain securities in the Fund's portfolio may be valued by an outside 
pricing service approved by the Fund's Trustees. The pricing service may 
utilize a matrix system incorporating security quality, maturity and coupon 
as the evaluation model parameters, and/or research evaluations by its staff, 
including review of broker-dealer market price quotations, in determining 
what it believes is the fair valuation of the portfolio securities valued by 
such pricing service. 

SHAREHOLDER SERVICES 
- ----------------------------------------------------------------------------- 

AUTOMATIC INVESTMENT OF DIVIDENDS AND DISTRIBUTIONS. All income dividends 
and capital gains distributions are automatically paid in full and fractional 
shares of the applicable Class of the Fund (or, if specified by the 
shareholder, in shares of any other open-end Dean Witter Fund), unless the 
shareholder requests that they be paid in cash. Shares so acquired are 
acquired at net asset value and are not subject to the imposition of a front 
end sales charge or CDSC (see "Redemptions and Repurchases"). 

EASYINVEST (SERVICE MARK). Shareholders may subscribe to EasyInvest, an 
automatic purchase plan which provides for any amount from $100 to $5,000 to 
be transferred automati- 

                               23           
<PAGE>
cally from a checking or savings account, or following redemption of shares 
of a Dean Witter money market fund, on a semi-monthly, monthly or quarterly 
basis, to the Transfer Agent for investment in shares of the Fund (see 
"Purchase of Fund Shares" and "Redemptions and Repurchases--Involuntary 
Redemption"). 

INVESTMENT OF DIVIDENDS OR DISTRIBUTIONS RECEIVED IN CASH. Any shareholder 
who receives a cash payment representing a dividend or capital gains 
distribution may invest such dividend or distribution in shares of the 
applicable Class at the net asset value next determined after receipt by the 
Transfer Agent, by returning the check or the proceeds to the Transfer Agent 
within thirty days after the payment date. Shares so acquired are acquired at 
net asset value and are not subject to the imposition of a front-end sales 
charge or a CDSC (see "Redemptions and Repurchases"). 

SYSTEMATIC WITHDRAWAL PLAN. A systematic withdrawal plan (the "Withdrawal 
Plan") is available for shareholders who own or purchase shares of the Fund 
having a minimum value of $10,000 based upon the then current net asset 
value. The Withdrawal Plan provides for monthly or quarterly (March, June, 
September and December) checks in any amount, not less than $25, or in any 
whole percentage of the account balance, on an annualized basis. Any 
applicable CDSC will be imposed on shares redeemed under the Withdrawal Plan 
(see "Purchase of Fund Shares"). Therefore, any shareholder participating in 
the Withdrawal Plan will have sufficient shares redeemed from his or her 
account so that the proceeds (net of any applicable CDSC) to the shareholder 
will be the designated monthly or quarterly amount. Withdrawal plan payments 
should not be considered as dividends, yields or income. If periodic 
withdrawal plan payments continuously exceed net investment income and net 
capital gains, the shareholder's original investment will be correspondingly 
reduced and ultimately exhausted. Each withdrawal constitutes a redemption of 
shares and any gain or loss realized must be recognized for federal income 
tax purposes. 

   Shareholders should contact their DWR or other Selected Broker-Dealer 
account executive or the Transfer Agent for further information about any of 
the above services. 

TAX-SHELTERED RETIREMENT PLANS. Retirement plans are available for use by 
corporations, the self-employed, Individual Retirement Accounts and Custodial 
Accounts under Section 403(b)(7) of the Internal Revenue Code. Adoption of 
such plans should be on advice of legal counsel or tax adviser. 

   For further information regarding plan administration, custodial fees and 
other details, investors should contact their account executive or the 
Transfer Agent. 

EXCHANGE PRIVILEGE 

Shares of each Class may be exchanged for shares of the same Class of any 
other Dean Witter Multi-Class Fund without the imposition of any exchange 
fee. Shares may also be exchanged for shares of the following funds: Dean 
Witter Short-Term U.S. Treasury Trust, Dean Witter Limited Term Municipal 
Trust, Dean Witter Short-Term Bond Fund, Dean Witter Intermediate Term U.S. 
Treasury Trust and five Dean Witter funds which are money market funds (the 
"Exchange Funds"). Class A shares may also be exchanged for shares of Dean 
Witter Multi-State Municipal Series Trust and Dean Witter Hawaii Municipal 
Trust, which are Dean Witter Funds sold with a front-end sales charge ("FSC 
Funds"). Class B shares may also be exchanged for shares of Dean Witter 
Global Short-Term Income Fund Inc. ("Global Short-Term"), which is a Dean 
Witter Fund offered with a CDSC. Exchanges may be made after the shares of 
the Fund acquired by purchase (not by exchange or dividend reinvestment) have 
been held for thirty days. There is no waiting period for exchanges of shares 
acquired by exchange or dividend reinvestment. 

   An exchange to another Dean Witter Multi-Class Fund, any FSC Fund, Global 
Short-Term or any Exchange Fund that is not a money market fund is on the 
basis of the next calculated net asset value per share of each fund after the 
exchange order is received. When exchanging into a money market fund from the 
Fund, shares of the Fund are redeemed out of the Fund at their next 
calculated net asset value and the proceeds of the redemption are used to 
purchase shares of the money market fund at their net asset value determined 
the following business day. Subsequent exchanges between any of the money 
market funds and any of the Dean Witter Multi-Class Funds, FSC Funds, Global 
Short-Term or any Exchange Fund that is not a money market fund can be 
effected on the same basis. 

   No CDSC is imposed at the time of any exchange of shares, although any 
applicable CDSC will be imposed upon ultimate redemption. During the period 
of time the shareholder remains in an Exchange Fund (calculated from the last 
day of the month in which the Exchange Fund shares were acquired), the 
holding period (for the purpose of determining the rate of the CDSC) is 
frozen. If those shares are subsequently re-exchanged for shares of a Dean 
Witter Multi-Class Fund or shares of Global Short-Term, the holding period 
previously frozen when the first exchange was made resumes on the last day of 
the month in which shares of a Dean Witter Multi-Class Fund or shares of 
Global Short-Term are reacquired. Thus, the CDSC is based upon the time 
(calculated as described above) the shareholder was invested in shares of a 
Dean Witter Multi-Class Fund or in shares of Global 

                               24           
<PAGE>
Short-Term (see "Purchase of Fund Shares"). In the case of exchanges of Class 
A shares which are subject to a CDSC, the holding period also includes the 
time (calculated as described above) the shareholder was invested in shares 
of a FSC Fund. In the case of shares exchanged into an Exchange Fund on or 
after April 23, 1990, upon a redemption of shares which results in a CDSC 
being imposed, a credit (not to exceed the amount of the CDSC) will be given 
in an amount equal to the Exchange Fund 12b-1 distribution fees incurred on 
or after that date which are attributable to those shares. (Exchange Fund 
12b-1 distribution fees are described in the prospectuses for those funds.) 
Class B shares of the Fund acquired in exchange for shares of Global 
Short-Term or Class B shares of another Dean Witter Multi-Class Fund having a 
different CDSC schedule than that of this Fund will be subject to the higher 
CDSC schedule, even if such shares are subsequently re-exchanged for shares 
of the fund with the lower CDSC schedule. 

ADDITIONAL INFORMATION REGARDING EXCHANGES. Purchases and exchanges should be 
made for investment purposes only. A pattern of frequent exchanges may be 
deemed by the Investment Manager to be abusive and contrary to the best 
interests of the Fund's other shareholders and, at the Investment Manager's 
discretion, may be limited by the Fund's refusal to accept additional 
purchases and/or exchanges from the investor. Although the Fund does not have 
any specific definition of what constitutes a pattern of frequent exchanges, 
and will consider all relevant factors in determining whether a particular 
situation is abusive and contrary to the best interests of the Fund and its 
other shareholders, investors should be aware that the Fund and each of the 
other Dean Witter Funds may in their discretion limit or otherwise restrict 
the number of times this Exchange Privilege may be exercised by any investor. 
Any such restriction will be made by the Fund on a prospective basis only, 
upon notice to the shareholder not later than ten days following such 
shareholder's most recent exchange. Also, the Exchange Privilege may be 
terminated or revised at any time by the Fund and/or any of such Dean Witter 
Funds for which shares of the Fund have been exchanged, upon such notice as 
may be required by applicable regulatory agencies. Shareholders maintaining 
margin accounts with DWR or another Selected Dealer are referred to their 
account executive regarding restrictions on exchange of shares of the Fund 
pledged in the margin account. 

   The current prospectus for each fund describes its investment objective(s) 
and policies, and shareholders should obtain a copy and examine it carefully 
before investing. Exchanges are subject to the minimum investment requirement 
of each Class of shares and any other conditions imposed by each fund. In the 
case of a shareholder holding a share certificate or certificates, no 
exchanges may be made until all applicable share certificates have been 
received by the Transfer Agent and deposited in the shareholder's account. An 
exchange will be treated for federal income tax purposes the same as a 
repurchase or redemption of shares, on which the shareholder may realize a 
capital gain or loss. However, the ability to deduct capital losses on an 
exchange may be limited in situations where there is an exchange of shares 
within ninety days after the shares are purchased. The Exchange Privilege is 
only available in states where an exchange may legally be made. 

   If DWR or another Selected Broker-Dealer is the current dealer of record 
and its account numbers are part of the account information, shareholders may 
initiate an exchange of shares of the Fund for shares of any of the Dean 
Witter Funds (for which the Exchange Privilege is available) pursuant to this 
Exchange Privilege by contacting their DWR or other Selected Broker-Dealer 
account executive (no Exchange Privilege Authorization Form is required). 
Other shareholders (and those shareholders who are clients of DWR or another 
Selected Broker-Dealer but who wish to make exchanges directly by telephoning 
the Transfer Agent) must complete and forward to the Transfer Agent an 
Exchange Privilege Authorization Form, copies of which may be obtained from 
the Transfer Agent, to initiate an exchange. If the Authorization Form is 
used, exchanges may be made in writing or by contacting the Transfer Agent at 
(800) 869-NEWS (toll-free). 

   The Fund will employ reasonable procedures to confirm that exchange 
instructions communicated over the telephone are genuine. Such procedures may 
include requiring various forms of personal identification such as name, 
mailing address, social security or other tax identification number and DWR 
or other Selected Broker-Dealer account number (if any). Telephone 
instructions may also be recorded. If such procedures are not employed, the 
Fund may be liable for any losses due to unauthorized or fraudulent 
instructions. 

   Telephone exchange instructions will be accepted if received by the 
Transfer Agent between 9:00 a.m. and 4:00 p.m. New York time, on any day the 
New York Stock Exchange is open. Any shareholder wishing to make an exchange 
who has previously filed an Exchange Privilege Authorization Form and who is 
unable to reach the Fund by telephone should contact his or her DWR or other 
Selected Broker-Dealer account executive, if appropriate, or make a written 
exchange request. Shareholders are advised that during periods of drastic 
economic or market changes, it is possible that the telephone exchange 

                               25           
<PAGE>
procedures may be difficult to implement, although this has not been the case 
with the Dean Witter Funds in the past. 

   For further information regarding the Exchange Privilege, shareholders 
should contact their DWR or other Selected Broker-Dealer account executive or 
the Transfer Agent. 

REDEMPTIONS AND REPURCHASES 
- ----------------------------------------------------------------------------- 

REDEMPTION. Shares of each Class of the Fund can be redeemed for cash at 
any time at the net asset value per share next determined less the amount of 
any applicable CDSC in the case of Class A, Class B or Class C shares (see 
"Purchase of Fund Shares"). If shares are held in a shareholder's account 
without a share certificate, a written request for redemption sent to the 
Fund's Transfer Agent at P.O. Box 983, Jersey City, NJ 07303 is required. If 
certificates are held by the shareholder, the shares may be redeemed by 
surrendering the certificates with a written request for redemption, along 
with any additional documentation required by the Transfer Agent. 

REPURCHASE. DWR and other Selected Broker-Dealers are authorized to 
repurchase shares represented by a share certificate which is delivered to 
any of their offices. Shares held in a shareholder's account without a share 
certificate may also be repurchased by DWR and other Selected Broker-Dealers 
upon the telephonic request of the shareholder. The repurchase price is the 
net asset value per share next determined (see "Purchase of Fund Shares") 
after such purchase order is received by DWR or other Selected Broker-Dealer, 
reduced by any applicable CDSC. 

   The CDSC, if any, will be the only fee imposed upon repurchase by the Fund 
or the Distributor. The offer by DWR and other Selected Broker-Dealers to 
repurchase shares may be suspended without notice by them at any time. In 
that event, shareholders may redeem their shares through the Fund's Transfer 
Agent as set forth above under "Redemption." 

PAYMENT FOR SHARES REDEEMED OR REPURCHASED. Payment for shares presented for 
repurchase or redemption will be made by check within seven days after 
receipt by the Transfer Agent of the certificate and/or written request in 
good order. Such payment may be postponed or the right of redemption 
suspended under unusual circumstances. If the shares to be redeemed have 
recently been purchased by check, payment of the redemption proceeds may be 
delayed for the minimum time needed to verify that the check used for 
investment has been honored (not more than fifteen days from the time of 
receipt of the check by the Transfer Agent.) Shareholders maintaining margin 
accounts with DWR or another Selected Dealer are referred to their account 
executive regarding restrictions on redemption of shares of the Fund pledged 
in the margin account. 

REINSTATEMENT PRIVILEGE. A shareholder who has had his or her shares redeemed 
or repurchased and has not previously exercised this reinstatement privilege 
may, within 35 days after the date of the redemption or repurchase, reinstate 
any portion or all of the proceeds of such redemption or repurchase in shares 
of the Fund in the same Class from which such shares were redeemed or 
repurchased, at their net asset value next determined after a reinstatement 
request, together with the proceeds, is received by the Transfer Agent and 
receive a pro rata credit for any CDSC paid in connection with such 
redemption or repurchase. 

INVOLUNTARY REDEMPTION. The Fund reserves the right, on sixty days' notice, 
to redeem, at net asset value, the shares of any shareholder (other than 
shares held in an Individual Retirement Account or Custodial Account under 
Section 403(b)(7) of the Internal Revenue Code) whose shares due to 
redemptions by the shareholder have a value of less than $100, or such lesser 
amount as may be fixed by the Board of Trustees or, in the case of an account 
opened through EasyInvest (Service Mark), if after twelve months the 
shareholder has invested less than $1,000 in the account. However, before the 
Fund redeems such shares and sends the proceeds to the shareholder, it will 
notify the shareholder that the value of the shares is less than the 
applicable amount and allow him or her sixty days to make an additional 
investment in an amount which will increase the value of his or her account 
to at least the applicable amount before the redemption is processed. No CDSC 
will be imposed on any involuntary redemption. 

                               26           
<PAGE>
DIVIDENDS, DISTRIBUTIONS AND TAXES 
- ----------------------------------------------------------------------------- 

DIVIDENDS AND DISTRIBUTIONS. The Fund declares dividends separately for 
each Class of shares and intends to pay semi-annual dividends and to 
distribute substantially all of the Fund's net investment income and net 
short-term and long-term capital gains, if there are any. The Fund intends to 
distribute dividends from net long-term capital gains, if any, at least once 
each year. The Fund may, however, determine to retain all or part of any 
long-term capital gains in any year for reinvestment. 

   All dividends and any capital gains distributions will be paid in 
additional shares of the same Class and automatically credited to the 
shareholder's account without issuance of a share certificate unless the 
shareholder requests in writing that all dividends be paid in cash. Shares 
acquired by dividend and distribution reinvestments will not be subject to 
any front-end sales charge or CDSC. Class B shares acquired through dividend 
and distribution reinvestments will become eligible for conversion to Class A 
shares on a pro rata basis. Distributions paid on Class A and Class D shares 
will be higher than for Class B and Class C shares because distribution fees 
paid by Class B and Class C shares are higher. (See "Shareholder 
Services--Automatic Investment of Dividends and Distributions.") 

TAXES. Because the Fund intends to distribute all of its net investment 
income and net short-term capital gains to shareholders and otherwise remain 
qualified as a regulated investment company under Subchapter M of the 
Internal Revenue Code, it is not expected that the Fund will be required to 
pay any federal income tax. Shareholders who are required to pay taxes on 
their income will normally have to pay federal income taxes, and any state 
income taxes, on the dividends and distributions they receive from the Fund. 
Such dividends and distributions, to the extent that they are derived from 
net investment income or short-term capital gains, are taxable to the 
shareholder as ordinary dividend income regardless of whether the shareholder 
receives such distributions in additional shares or in cash. Any dividends 
declared in the last quarter of any calendar year which are paid in the 
following year prior to February 1 will be deemed, for tax purposes, to have 
been received by the shareholder in the prior year. 

   Distributions of net long-term capital gains, if any, are taxable to 
shareholders as long-term capital gains regardless of how long a shareholder 
has held the Fund's shares and regardless of whether the distribution is 
received in additional shares or in cash. Capital gains distributions are not 
eligible for the dividends received deduction. 

   The Fund may at times make payments from sources other than income or net 
capital gains. Payments from such sources would, in effect, represent a 
return of a portion of each shareholder's investment. All, or a portion, of 
such payments will not be taxable to shareholders. 

   After the end of the year, shareholders will be sent full information on 
their dividends and capital gains distributions for tax purposes. 
Shareholders will also be notified of their proportionate share of long-term 
capital gains distributions that are eligible for a reduced rate of tax under 
the Taxpayer Relief Act of 1997. To avoid being subject to a 31% federal 
backup withholding tax on taxable dividends, capital gains distributions and 
the proceeds of redemptions and repurchases, shareholders' taxpayer 
identification numbers must be furnished and certified as to their accuracy. 

   Shareholders should consult their tax advisers as to the applicability of 
the foregoing to their current situation. 

PERFORMANCE INFORMATION 
- ----------------------------------------------------------------------------- 

From time to time the Fund may quote its "total return" in advertisements 
and sales literature. These figures are computed separately for Class A, 
Class B, Class C and Class D shares. The total return of the Fund is based on 
historical earnings and is not intended to indicate future performance. The 
"average annual total return" of the Fund refers to a figure reflecting the 
average annualized percentage increase (or decrease) in the value of an 
initial investment in a Class of the Fund of $1,000 over periods of one, five 
and ten years. Average annual total return reflects all income earned by the 
Fund, any appreciation or depreciation of the Fund's assets, all expenses 
incurred by the applicable Class and all sales charges which will be incurred 
by shareholders, for the stated periods. It also assumes reinvestment of all 
dividends and distributions paid by the Fund. 

   In addition to the foregoing, the Fund may advertise its total return for 
each Class over different periods of time by means of aggregate, average, 
year-by-year or other types of total return figures. Such calculations may or 
may not reflect the deduction of any sales charge which, if reflected, would 
reduce the performance quoted. The Fund may also advertise the growth of 
hypothetical investments of $10,000, $50,000 and $100,000 in each Class of 
shares of the Fund. The Fund from time to time may also advertise its 
performance relative to certain 

                               27           
<PAGE>
performance rankings and indexes compiled by independent organizations (such 
as mutual fund performance rankings of Lipper Analytical Services, Inc., the 
S&P 500 Stock Index and the Dow Jones Industrial Average). 

ADDITIONAL INFORMATION 
- ----------------------------------------------------------------------------- 

VOTING RIGHTS. All shares of beneficial interest of the Fund are of $0.01 
par value and are equal as to earnings, assets and voting privileges except 
that each Class will have exclusive voting privileges with respect to matters 
relating to distribution expenses borne solely by such Class or any other 
matter in which the interests of one Class differ from the interests of any 
other Class. In addition, Class B shareholders will have the right to vote on 
any proposed material increase in Class A's expenses, if such proposal is 
submitted separately to Class A shareholders. Also, as discussed herein, 
Class A, Class B and Class C bear the expenses related to the distribution of 
their respective shares. 

   The Fund is not required to hold Annual Meetings of Shareholders and in 
ordinary circumstances the Fund does not intend to hold such meetings. The 
Trustees may call Special Meetings of Shareholders for action by shareholder 
vote as may be required by the Act or the Declaration of Trust. Under certain 
circumstances, the Trustees may be removed by action of the Trustees or by 
the Shareholders. 

   Under Massachusetts law, shareholders of a business trust may, under 
certain limited circumstances, be held personally liable as partners for the 
obligations of the Fund. However, the Declaration of Trust contains an 
express disclaimer of shareholder liability for acts or obligations of the 
Fund, requires that notice of such Fund obligations include such disclaimer, 
and provides for indemnification out of the Fund's property for any 
shareholder held personally liable for the obligations of the Fund. Thus, the 
risk of a shareholder incurring financial loss on account of shareholder 
liability is limited to circumstances in which the Fund itself would be 
unable to meet its obligations. Given the above limitations on shareholder 
personal liability, and the nature of the Fund's assets and operations, the 
possibility of the Fund being unable to meet its obligations is remote and 
thus, in the opinion of Massachusetts counsel to the Fund, the risk to Fund 
shareholders of personal liability is remote. 

CODE OF ETHICS. Directors, officers and employees of InterCapital, Dean 
Witter Services Company Inc. and the Distributor are subject to a strict Code 
of Ethics adopted by those companies. The Code of Ethics is intended to 
ensure that the interests of shareholders and other clients are placed ahead 
of any personal interest, that no undue personal benefit is obtained from a 
person's employment activities and that actual and potential conflicts of 
interest are avoided. To achieve these goals and comply with regulatory 
requirements, the Code of Ethics requires, among other things, that personal 
securities transactions by employees of the companies be subject to an 
advance clearance process to monitor that no Dean Witter Fund is engaged at 
the same time in a purchase or sale of the same security. The Code of Ethics 
bans the purchase of securities in an initial public offering, and also 
prohibits engaging in futures and options transactions and profiting on 
short-term trading (that is, a purchase within sixty days of a sale or a sale 
within sixty days of a purchase) of a security. In addition, investment 
personnel may not purchase or sell a security for their personal account 
within thirty days before or after any transaction in any Dean Witter Fund 
managed by them. Any violations of the Code of Ethics are subject to 
sanctions, including reprimand, demotion or suspension or termination of 
employment. The Code of Ethics comports with regulatory requirements and the 
recommendations in the 1994 report by the Investment Company Institute 
Advisory Group on Personal Investing. 

MASTER/FEEDER CONVERSION. The Fund reserves the right to seek to achieve its 
investment objective by investing all of its investable assets in a 
diversified, open-end management investment company having the same 
investment objective and policies and substantially the same investment 
restrictions as those applicable to the Fund. 

SHAREHOLDER INQUIRIES. All inquiries regarding the Fund should be directed to 
the Fund at the telephone numbers or address set forth on the front cover of 
this Prospectus. 

                               28           
<PAGE>
DEAN WITTER 
AMERICAN VALUE FUND 
TWO WORLD TRADE CENTER 
NEW YORK, NEW YORK 10048 

TRUSTEES 

Michael Bozic 
Charles A. Fiumefreddo 
Edwin J. Garn 
John R. Haire 
Wayne E. Hedien 
Dr. Manuel H. Johnson 
Michael E. Nugent 
Philip J. Purcell 
John L. Schroeder 

OFFICERS 

Charles A. Fiumefreddo 
Chairman and Chief Executive Officer 

Barry Fink 
Vice President, Secretary and 
General Counsel 

Anita H. Kolleeny 
Vice President 

Thomas F. Caloia 
Treasurer 

CUSTODIAN 

The Bank of New York 
90 Washington Street 
New York, New York 10286 

TRANSFER AGENT AND 
DIVIDEND DISBURSING AGENT 

Morgan Stanley Dean Witter Trust FSB 
Harborside Financial Center 
Plaza Two 
Jersey City, New Jersey 07311 

INDEPENDENT ACCOUNTANTS 

Price Waterhouse LLP 
1177 Avenue of the Americas 
New York, New York 10036 

INVESTMENT MANAGER 

Dean Witter InterCapital Inc. 







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