MANAGED MUNICIPAL FUND INC
N-30D, 1997-06-23
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                                 FLAG INVESTORS

                                      FLAG
                                   INVESTORS
                                    MANAGED
                                   MUNICIPAL
                                      FUND
                                     SHARES



                               SEMI-ANNUAL REPORT
                                 APRIL 30, 1997



<PAGE>


REPORT HIGHLIGHTS
- --------------------------------------------------------------------------------

o The Fund had a total return of 5.7% for the year ended April 30, 1997, and the
  average yield to maturity on its bond  investments  shows that municipals
  still have good underlying after-tax income appeal.

o We have maintained the Fund's high credit quality  orientation by reducing the
  portfolio's  electric power issues and increasing  its  prerefunded  and
  general obligation bonds.

o Evidence of slower second quarter growth  continues to mount, and we believe
  that another increase in short-term rates lies ahead.


<PAGE>


PORTFOLIO DIVERSIFICATION BY STATE
- --------------------------------------------------------------------------------



                               [MAP APPEARS HERE]



                            State Allocation

                        % of                                  % of
                      Municipal                             Municipal
                        Bonds                                 Bonds
                      ---------                             ---------
Florida                 17.9%             Minnesota             3.2%

Texas                   15.2              Mississippi           2.6

Virginia                 8.4              Ohio                  2.3

Maryland                 7.6              Delaware              1.9

North Carolina           6.9              Utah                  1.8

South Carolina           4.9              Colorado              1.8

Illinois                 4.6              Hawaii                1.7

Tennessee                4.3              Indiana               1.4

Kansas                   4.1              Washington            1.4

Arizona                  3.4              Oregon                1.4
                                                              -----
Georgia                  3.2                  Total           100.0%


                                                                               1



<PAGE>


LETTER TO SHAREHOLDERS
- --------------------------------------------------------------------------------

Dear Shareholders:

     We are pleased to report on the  progress of your Fund for the period ended
April 30, 1997.  As of this date,  the Fund  recorded a 6-month  total return of
1.2% and a 12-month  total  return of 5.7%.  Since its  inception on October 23,
1990, the Fund has produced a cumulative total return of 55.6%, which translates
into  an  average  annual  total  return  of  7.0%.  These  figures  assume  the
reinvestment of dividends and capital gains distributions and exclude the impact
of any sales charge.

Overview

     Over the last 12 months, long-term,  high-quality municipal yields moved in
a fairly wide 70 basis point (0.70%) range, but interest rates opened and closed
the period at roughly the same yield (see chart below).


                  [Graph Appears Here--See Plot Points Below]


                30-Year Municipal AAA General Obligation Yields


                              DATE          YIELD

                            4/30/96          5.73
                             5/1/96          5.73
                             5/2/96          5.84
                             5/3/96          5.86
                             5/6/96          5.86
                             5/7/96          5.88
                             5/8/96          5.87
                             5/9/96          5.87
                            5/10/96          5.80
                            5/13/96          5.78
                            5/14/96          5.73
                            5/15/96          5.71
                            5/16/96          5.76
                            5/17/96          5.73
                            5/20/96          5.69
                            5/21/96          5.67
                            5/22/96          5.69
                            5/23/96          5.69
                            5/24/96          5.69
                            5/27/96          5.69
                            5/28/96          5.68
                            5/29/96          5.72
                            5/30/96          5.76
                            5/31/96          5.82
                             6/3/96          5.87
                             6/4/96          5.85
                             6/5/96          5.85
                             6/6/96          5.82
                             6/7/96          5.97
                            6/10/97          5.99
                            6/11/96          5.97
                            6/12/96          5.97
                            6/13/96          5.96
                            6/14/96          5.92
                            6/17/96          5.90
                            6/18/96          5.87
                            6/19/96          5.87
                            6/20/96          5.90
                            6/21/96          5.89
                            6/24/96          5.89
                            6/25/96          5.85
                            6/26/96          5.83
                            6/27/96          5.82
                            6/28/96          5.77
                             7/1/96          5.77
                             7/2/96          5.80
                             7/3/96          5.80
                             7/4/96          5.80
                             7/5/96          5.94
                             7/8/96          5.96
                             7/9/96          5.92
                            7/10/96          5.87
                            7/11/96          5.85
                            7/12/96          5.82
                            7/15/96          5.83
                            7/16/96          5.81
                            7/17/96          5.78
                            7/18/96          5.73
                            7/19/96          5.74
                            7/22/96          5.75
                            7/23/96          5.73
                            7/24/96          5.72
                            7/25/96          5.70
                            7/26/96          5.70
                            7/29/96          5.72
                            7/30/96          5.70
                            7/31/96          5.67
                             8/1/96          5.59
                             8/2/96          5.51
                             8/5/96          5.51
                             8/6/96          5.49
                             8/7/96          5.48
                             8/8/96          5.47
                             8/9/96          5.44
                            8/12/96          5.44
                            8/13/96          5.48
                            8/14/96          5.48
                            8/15/96          5.50
                            8/16/96          5.49
                            8/19/96          5.52
                            8/20/96          5.53
                            8/21/96          5.55
                            8/22/96          5.56
                            8/23/96          5.61
                            8/26/96          5.64
                            8/27/96          5.63
                            8/28/96          5.62
                            8/29/96          5.66
                            8/30/96          5.71
                             9/2/96          5.71
                             9/3/96          5.73
                             9/4/96          5.75
                             9/5/96          5.78
                             9/6/96          5.75
                             9/9/96          5.73
                            9/10/96          5.75
                            9/11/96          5.76
                            9/12/96          5.73
                            9/13/96          5.64
                            9/16/96          5.61
                            9/17/96          5.64
                            9/18/96          5.65
                            9/19/96          5.69
                            9/20/96          5.69
                            9/23/96          5.69
                            9/24/96          5.67
                            9/25/96          5.65
                            9/26/96          5.60
                            9/27/96          5.60
                            9/30/96          5.61
                            10/1/96          5.59
                            10/2/96          5.56
                            10/3/96          5.54
                            10/4/96          5.47
                            10/7/96          5.50
                            10/8/96          5.50
                            10/9/96          5.53
                           10/10/96          5.56
                           10/11/96          5.55
                           10/14/96          5.55
                           10/15/96          5.56
                           10/16/96          5.60
                           10/17/96          5.58
                           10/18/96          5.57
                           10/21/96          5.57
                           10/22/96          5.59
                           10/23/96          5.60
                           10/24/96          5.62
                           10/25/96          5.62
                           10/28/96          5.63
                           10/29/96          5.58
                           10/30/96          5.56
                           10/31/96          5.54
                            11/1/96          5.55
                            11/4/96          5.53
                            11/5/96          5.48
                            11/6/96          5.49
                            11/7/96          5.50
                            11/8/96          5.49
                           11/11/96          5.49
                           11/12/96          5.45
                           11/13/96          5.45
                           11/14/96          5.43
                           11/15/96          5.44
                           11/18/96          5.46
                           11/19/96          5.44
                           11/20/96          5.42
                           11/21/96          5.41
                           11/22/96          5.41
                           11/25/96          5.39
                           11/26/96          5.36
                           11/27/96          5.36
                           11/28/96          5.36
                           11/29/96          5.32
                            12/2/96          5.31
                            12/3/96          5.29
                            12/4/96          5.31
                            12/5/96          5.36
                            12/6/96          5.40
                            12/9/96          5.37
                           12/10/96          5.38
                           12/11/96          5.45
                           12/12/96          5.45
                           12/13/96          5.42
                           12/16/96          5.44
                           12/17/96          5.49
                           12/18/96          5.47
                           12/19/96          5.43
                           12/20/96          5.42
                           12/23/96          5.42
                           12/24/96          5.42
                           12/25/96          5.42
                           12/26/96          5.42
                           12/27/96          5.38
                           12/30/96          5.36
                           12/31/96          5.39
                             1/1/97          5.39
                             1/2/97          5.45
                             1/3/97          5.44
                             1/6/97          5.46
                             1/7/97          5.48
                             1/8/97          5.49
                             1/9/97          5.47
                            1/10/97          5.55
                            1/13/97          5.55
                            1/14/97          5.52
                            1/15/97          5.53
                            1/16/97          5.53
                            1/17/97          5.53
                            1/20/97          5.53
                            1/21/97          5.52
                            1/22/97          5.51
                            1/23/97          5.51
                            1/24/97          5.54
                            1/27/97          5.56
                            1/28/97          5.52
                            1/29/97          5.54
                            1/30/97          5.54
                            1/31/97          5.51
                             2/3/97          5.49
                             2/4/97          5.49
                             2/5/97          5.48
                             2/6/97          5.50
                             2/7/97          5.45
                            2/10/97          5.43
                            2/11/97          5.43
                            2/12/97          5.41
                            2/13/97          5.38
                            2/14/97          5.33
                            2/17/97          5.33
                            2/18/97          5.33
                            2/19/97          5.35
                            2/20/97          5.37
                            2/21/97          5.39
                            2/24/97          5.41
                            2/25/97          5.38
                            2/26/97          5.44
                            2/27/97          5.44
                            2/28/97          5.44
                             3/3/97          5.46
                             3/4/97          5.46
                             3/5/97          5.47
                             3/6/97          5.49
                             3/7/97          5.47
                            3/10/97          5.46
                            3/11/97          5.49
                            3/12/97          5.49
                            3/13/97          5.52
                            3/14/97          5.50
                            3/17/97          5.52
                            3/18/97          5.52
                            3/19/97          5.54
                            3/20/97          5.57
                            3/21/97          5.57
                            3/24/97          5.57
                            3/25/97          5.56
                            3/26/97          5.59
                            3/27/97          5.63
                            3/28/97          5.63
                            3/31/97          5.66
                             4/1/97          5.63
                             4/2/97          5.63
                             4/3/97          5.63
                             4/4/97          5.66
                             4/7/97          5.64
                             4/8/97          5.65
                             4/9/97          5.63
                            4/10/97          5.64
                            4/11/97          5.64
                            4/14/97          5.67
                            4/15/97          5.62
                            4/16/97          5.65
                            4/17/97          5.62
                            4/18/97          5.62
                            4/21/97          5.62
                            4/22/97          5.61
                            4/23/97          5.63
                            4/24/97          5.65
                            4/25/97          5.67
                            4/28/97          5.67
                            4/29/97          5.60
                            4/30/97          5.59

Source: Bloomberg Inc.

     The  volatility  this  year  had as  much  to do  with  national  politics,
specifically  the  outlook  for  major  tax  cuts,  as it did with the  economy,
inflation,  etc. We think rates will be heading lower over the next year, which,
given the  Fund's  maturity  orientation,  should  produce a  competitive  total
return.  Please see our  Economic  Outlook  that  follows  this  letter for more
details.  Municipals have retained their status as one of the few means by which
interest  income can be sheltered from federal taxes.  Municipal  bonds' taxable
equivalent  yield at current  levels of interest rates and taxes means they also
have good value.

2


<PAGE>


- --------------------------------------------------------------------------------

Municipals Have Good Value

     The Fund had an average yield to maturity on its bond  investments of 5.39%
and an  average  maturity  of 14.4  years on April  30.  To gauge  the  relative
attractiveness  of this  asset  class  versus  the  taxable  bond  market  it is
necessary to use a tax rate. The top federal bracket is 39.6%,  and if that were
used  for the  analysis,  the  taxable  equivalent  yield  of a  5.39%  tax-free
municipal would be a taxable rate of 8.92%. At the same time,  Treasuries in the
15-year  maturity  range were yielding  6.95%.  This  comparison  indicates that
municipals have good underlying after-tax income appeal.

     The outlook for municipals also turns on political and supply analysis. The
political  environment since the 1996 election has emphasized budget compromises
that  provide some new tax breaks but little  danger of a change in  municipals'
basic status as the premier  interest income tax shelter.  The municipal  supply
picture  is also  favorable,  pointing  to less  municipal  new  issuance  going
forward.  State and local government  operating  budgets are solidly in surplus,
$37.4 billion as of year-end 1996, thereby capping new issue volume.

Portfolio Management

     The Fund has maintained  its high credit quality  orientation.  We have
continued to reduce the  portfolio's  electric power issues as they approach
credit problems  surrounding  rate  deregulation.  Prerefunded and general
obligation  bonds have been increased over the last year.  Please see the table
below that focuses on these sections of the portfolio.

Portfolio Structure

                                     April 1997         April 1996           %
  Category                         % of Portfolio     % of Portfolio      Change
- --------------------------------------------------------------------------------
  Prerefunded and General Obligations   73.4%             69.1%           +4.3%
 ................................................................................
  Electric Power                         5.1%              7.6%           -2.5%
 ................................................................................

                                                                               3

<PAGE>


LETTER TO SHAREHOLDERS (CONCLUDED)
- --------------------------------------------------------------------------------

     The Fund's  high-quality  orientation did not lead to a better total return
over the last year. Credit quality yield spreads narrowed. For example,  20-year
BBB1-quality  general obligations had a 60 basis point (0.60%) yield advantage a
year ago but now the spread is close to 44 basis points (0.44%).  Please see the
chart below.


                  [Graph Appears Here--See Plot Points Below]

                            Historical Yield Spreads
                  (General Obligation BBB1 Yield -- AAA Yield)


                           DATE         YIELD SPREAD

                         4/30/96             60
                          5/1/96             60
                          5/2/96             60
                          5/3/96             59
                          5/6/96             58
                          5/7/96             58
                          5/8/96             58
                          5/9/96             57
                         5/10/96             57
                         5/13/96             57
                         5/14/96             57
                         5/15/96             56
                         5/16/96             55
                         5/17/96             55
                         5/20/96             55
                         5/21/96             55
                         5/22/96             56
                         5/23/96             56
                         5/24/96             55
                         5/27/96             n.a.
                         5/28/96             55
                         5/29/96             55
                         5/30/96             55
                         5/31/96             56
                          6/3/96             55
                          6/4/96             55
                          6/5/96             55
                          6/6/96             55
                          6/7/96             55
                         6/10/96             55
                         6/11/96             57
                         6/12/96             57
                         6/13/96             57
                         6/14/96             56
                         6/17/96             56
                         6/18/96             56
                         6/19/96             56
                         6/20/96             57
                         6/21/96             57
                         6/24/96             57
                         6/25/96             59
                         6/26/96             59
                         6/27/96             59
                         6/28/96             58
                          7/1/96             58
                          7/2/96             57
                          7/3/96             57
                          7/4/96             n.a.
                          7/5/96             59
                          7/8/96             58
                          7/9/96             59
                         7/10/96             58
                         7/11/96             58
                         7/12/96             58
                         7/15/96             57
                         7/16/96             57
                         7/17/96             57
                         7/18/96             57
                         7/19/96             57
                         7/22/96             57
                         7/23/96             58
                         7/24/96             59
                         7/25/96             59
                         7/26/96             59
                         7/29/96             60
                         7/30/96             60
                         7/31/96             61
                          8/1/96             61
                          8/2/96             62
                          8/5/96             62
                          8/6/96             63
                          8/7/96             62
                          8/8/96             62
                          8/9/96             62
                         8/12/96             n.a.
                         8/13/96             62
                         8/14/96             62
                         8/15/96             61
                         8/16/96             59
                         8/19/96             58
                         8/20/96             57
                         8/21/96             56
                         8/22/96             56
                         8/23/96             54
                         8/26/96             54
                         8/27/96             53
                         8/28/96             54
                         8/29/96             53
                         8/30/96             53
                          9/2/96             n.a.
                          9/3/96             54
                          9/4/96             53
                          9/5/96             52
                          9/6/96             51
                          9/9/96             51
                         9/10/96             51
                         9/11/96             51
                         9/12/96             51
                         9/13/96             53
                         9/16/96             53
                         9/17/96             53
                         9/18/96             54
                         9/19/96             54
                         9/20/96             54
                         9/23/96             54
                         9/24/96             54
                         9/25/96             54
                         9/26/96             55
                         9/27/96             55
                         9/30/96             56
                         10/1/96             56
                         10/2/96             57
                         10/3/96             58
                         10/4/96             57
                         10/7/96             56
                         10/8/96             56
                         10/9/96             55
                        10/10/96             56
                        10/11/96             55
                        10/14/96             55
                        10/15/96             54
                        10/16/96             53
                        10/17/96             52
                        10/18/96             52
                        10/21/96             53
                        10/22/96             53
                        10/23/96             53
                        10/24/96             53
                        10/25/96             52
                        10/28/96             51
                        10/29/96             49
                        10/30/96             49
                        10/31/96             50
                         11/1/96             50
                         11/4/96             50
                         11/5/96             52
                         11/6/96             52
                         11/7/96             53
                         11/8/96             54
                        11/11/96             54
                        11/12/96             55
                        11/13/96             57
                        11/14/96             57
                        11/15/96             57
                        11/18/96             56
                        11/19/96             56
                        11/20/96             56
                        11/21/96             55
                        11/22/96             55
                        11/25/96             55
                        11/26/96             55
                        11/27/96             55
                        11/28/96             n.a.
                        11/29/96             55
                         12/2/96             56
                         12/3/96             57
                         12/4/96             57
                         12/5/96             56
                         12/6/96             56
                         12/9/96             56
                        12/10/96             56
                        12/11/96             56
                        12/12/96             56
                        12/13/96             56
                        12/16/96             56
                        12/17/96             56
                        12/18/96             59
                        12/19/96             59
                        12/20/96             59
                        12/23/96             57
                        12/24/96             57
                        12/25/96             57
                        12/26/96             56
                        12/27/96             58
                        12/30/96             58
                        12/31/96             59
                          1/1/97             59
                          1/2/97             58
                          1/3/97             56
                          1/6/97             56
                          1/7/97             57
                          1/8/97             56
                          1/9/97             56
                         1/10/97             55
                         1/13/97             54
                         1/14/97             54
                         1/15/97             54
                         1/16/97             56
                         1/17/97             56
                         1/20/97             56
                         1/21/97             56
                         1/22/97             58
                         1/23/97             58
                         1/24/97             59
                         1/27/97             58
                         1/28/97             58
                         1/29/97             56
                         1/30/97             55
                         1/31/97             54
                          2/3/97             53
                          2/4/97             53
                          2/5/97             54
                          2/6/97             54
                          2/7/97             56
                         2/10/97             58
                         2/11/97             56
                         2/12/97             56
                         2/13/97             54
                         2/14/97             54
                         2/17/97             54
                         2/18/97             51
                         2/19/97             49
                         2/20/97             48
                         2/21/97             46
                         2/24/97             46
                         2/25/97             47
                         2/26/97             45
                         2/27/97             45
                         2/28/97             45
                          3/3/97             45
                          3/4/97             45
                          3/5/97             44
                          3/6/97             44
                          3/7/97             44
                         3/10/97             45
                         3/11/97             45
                         3/12/97             45
                         3/13/97             45
                         3/14/97             45
                         3/17/97             46
                         3/18/97             46
                         3/19/97             46
                         3/20/97             46
                         3/21/97             47
                         3/24/97             47
                         3/25/97             46
                         3/26/97             46
                         3/27/97             47
                         3/28/97             47
                         3/31/97             46
                          4/1/97             48
                          4/2/97             48
                          4/3/97             48
                          4/4/97             48
                          4/7/97             48
                          4/8/97             49
                          4/9/97             49
                         4/10/97             49
                         4/11/97             49
                         4/14/97             50
                         4/15/97             50
                         4/16/97             49
                         4/17/97             49
                         4/18/97             48
                         4/21/97             48
                         4/22/97             47
                         4/23/97             46
                         4/24/97             45
                         4/25/97             45
                         4/28/97             45
                         4/29/97             45
                         4/30/97             44


Source: Bloomberg Inc.


     We think credit  quality will again be an important  component of municipal
total  return  when  economic  growth  slows,   which  typically  leads  to  the
reemergence of credit problems.

     We would like to welcome our new  investors to the Fund and thank those who
have been with us for some time. We appreciate your confidence.

Sincerely,

/s/ R. Alan Medaugh
- -------------------
R. Alan Medaugh
President

May 19, 1997

4


<PAGE>


ECONOMIC OUTLOOK
- --------------------------------------------------------------------------------

Overview

     Evidence of slower second  quarter growth  continues to mount,  highlighted
recently by declining auto sales,  sluggish  department store sales in April and
high  initial  unemployment  claims.  The March surge in  wholesale  inventories
suggests that rising first quarter nonfarm  inventories will pull down growth in
the second half of 1997 as excess inventories  decline.  We lean toward the view
that another 25 basis point (0.25%)  increase in short-term rates lies ahead. We
see it as an insurance  policy  against a tight labor  market and high  capacity
utilization sparking a return of inflation. Early in 1998 we expect the Fed will
be able to reverse the increase. Please see our forecast table below.

ISI Forecast

                           96:4Q     97:1Q   97:2Q*    97:3Q*   97:4Q*   98:1Q*
- -------------------------------------------------------------------------------
  Real GDP                 3.8%      5.6%     2.5%      2.0%     1.5%     1.5%
 ...............................................................................
  GDP Deflator**           1.5%      2.2%     1.5%      1.5%     1.5%     1.5%
 ...............................................................................
  30-Year Bond Yields***   6.6%      7.1%     6.7%      6.5%     6.5%     6.2%
 ...............................................................................
  Fed Funds Rate***        5.2%      5.5%     5.7%      5.7%     5.7%     5.5%
 ...............................................................................
  *Estimated.
 **A more accurate cost of living barometer than the CPI.
***End of quarter.

Inflation

     The Greenspan Federal Reserve has presided over an economy producing strong
job formation but little  inflation.  The inflation  performance  has been a
happy  surprise  for bond  investors.  So far,  strong  growth  has not
produced  price increases; for example, among manufacturing companies, the
strong growth has not given  them  pricing  power.  Please  see the chart on
page 6 that  shows  ISI's Manufacturing Company Pricing Power Index.

                                                                               5


<PAGE>

ECONOMIC OUTLOOK (CONTINUED)
- --------------------------------------------------------------------------------

ISI MANUFACTURING COMPANIES PRICING POWER SURVEY
0=WEAK  100=STRONG  MAY 9: 24.7



                  [Graph Appears Here--See Plot Points Below]


                      ISI MFG
                     COMPANIES
                      PRICING
                       POWER
                      SURVEY

 1/7/94                20.8
 1/14/94               20.8
 1/21/94               20.8
 1/28/94               21.4
 2/4/94                21.4
 2/11/94               16.7
 2/18/94               16.7
 2/25/94               16.7
 3/4/94                25.0
 3/11/94               25.0
 3/18/94               24.1
 3/25/94               24.1
 4/1/94                24.1
 4/8/94                20.8
 4/15/94               20.8
 4/22/94               20.8
 4/29/94               23.6
 5/6/94                23.6
 5/13/94               23.6
 5/20/94               27.8
 5/27/94               27.8
 6/3/94                32.5
 6/10/94               32.5
 6/17/94               33.9
 6/24/94               33.9
 7/1/94                33.9
 7/8/94                35.3
 7/15/94               35.3
 7/22/94               35.3
 7/29/94               35.3
 8/5/94                33.9
 8/12/94               33.9
 8/19/94               33.9
 8/26/94               43.6
 9/2/94                43.6
 9/9/94                45.8
 9/16/94               45.8
 9/23/94               52.8
 9/30/94               52.8
 10/7/94               52.8
 10/14/94              52.8
 10/21/94              54.4
 10/28/94              54.4
 11/4/94               56.9
 11/11/94              56.9
 11/18/94              57.5
 11/25/94              57.5
 12/2/94               57.8
 12/9/94               57.8
 12/16/94              58.9
 12/23/94              58.9
 12/30/94              60.6
 1/6/95                60.6
 1/13/95               60.8
 1/20/95               60.8
 1/27/95               61.4
 2/3/95                61.4
 2/10/95               56.9
 2/17/95               56.9
 2/24/95               56.9
 3/3/95                58.9
 3/10/95               58.9
 3/17/95               57.8
 3/24/95               57.8
 3/31/95               54.4
 4/7/95                54.4
 4/14/95               57.2
 4/21/95               57.2
 4/28/95               56.7
 5/5/95                56.7
 5/12/95               57.2
 5/19/95               57.2
 5/26/95               52.5
 6/2/95                52.5
 6/9/95                48.3
 6/16/95               48.3
 6/23/95               43.1
 6/30/95               43.1
 7/7/95                41.8
 7/14/95               41.8
 7/21/95               41.8
 7/28/95               41.8
 8/4/95                45.7
 8/11/95               45.7
 8/18/95               45.7
 8/25/95               45.7
 9/1/95                45.4
 9/8/95                45.4
 9/15/95               42.5
 9/22/95               42.5
 9/29/95               42.1
 10/6/95               42.1
 10/13/95              40.4
 10/20/95              40.4
 10/27/95              39.9
 11/3/95               39.9
 11/10/95              37.8
 11/17/95              37.8
 11/24/95              37.8
 12/1/95               37.8
 12/8/95               36.7
 12/15/95              36.7
 12/22/95              34.2
 12/29/95              34.2
 1/5/96                34.2
 1/12/96               34.2
 1/19/96               29.4
 1/26/96               29.4
 2/2/96                28.9
 2/9/96                28.9
 2/16/96               28.6
 2/23/96               28.6
 3/1/96                28.1
 3/8/96                28.1
 3/15/96               28.5
 3/22/96               28.5
 3/29/96               29.0
 4/5/96                29.0
 4/12/96               29.0
 4/19/96               29.0
 4/26/96               29.3
 5/3/96                29.3
 5/10/96               31.0
 5/17/96               31.0
 5/24/96               31.5
 5/31/96               31.5
 6/7/96                34.4
 6/14/96               34.4
 6/21/96               34.4
 6/28/96               34.4
 7/5/96                32.5
 7/12/96               32.5
 7/19/96               32.8
 7/26/96               32.8
 8/2/96                32.2
 8/9/96                32.2
 8/16/96               32.2
 8/23/96               32.2
 8/30/96               32.2
 9/6/96                32.2
 9/13/96               31.9
 9/20/96               31.9
 9/27/96               31.1
 10/4/96               31.1
 10/11/96              30.6
 10/18/96              30.6
 10/25/96              30.8
 11/1/96               30.8
 11/8/96               30.3
 11/15/96              30.3
 11/22/96              30.0
 11/29/96              30.0
 12/6/96               28.8
 12/13/96              28.8
 12/20/96              27.2
 12/27/96              27.2
 1/3/97                27.2
 1/10/97               27.2
 1/17/97               26.9
 1/24/97               26.9
 1/31/97               28.1
 2/7/97                28.1
 2/14/97               28.9
 2/21/97               28.9
 2/28/97               26.4
 3/7/97                26.4
 3/14/97               26.4
 3/21/97               26.4
 3/28/97               25.6
 4/4/97                25.6
 4/11/97               25.0
 4/18/97               25.0
 4/25/97               25.0
 5/2/97                25.0
 5/9/97                24.7
 5/16/97               24.7
 5/23/97                 NA

Source: ISI Inc.

     Other leading indicators of inflation have also registered little inflation
in the pipeline today.  The closely watched  Employment Cost Index for the first
quarter of 1997 showed  overall labor costs growing at only 2.9% year over year.
The Journal of Commerce Commodity Index,  which tracks raw industrial  commodity
prices,  hit a two-year low in early May. The Federal  Reserve "Beige Book" is a
survey-based analysis approach that covers all 12 Federal Reserve Districts. The
May release also found limited  inflation  for both prices and wages.  If growth
slows in the upcoming  quarter,  the low  inflation  picture  would prove a good
investing background for bonds.

Economic Growth

     Three areas are pointing to slower growth ahead. First,  interest rates for
long-term Treasuries are about 7% while 30-year mortgage rates are about 8%. The
relatively  higher  interest rates when contrasted to inflation have already cut
the pace of mortgage refinancing in half. Second, the slowdown pattern under

6


<PAGE>


- --------------------------------------------------------------------------------

way now in consumer  installment debt growth has typically led to a significant
drop in retail sales. As a gauge of the extent consumers are using credit,
credit card chargeoffs just hit a seven-year high. Third, foreign economies  are
struggling to retain modest growth.  ISI tracks economic activity in 28 foreign
economies. We construct a Foreign (Strength - Weakness) diffusion index. After a
runup in late 1996,  foreign activity has returned to a negative reading (please
see chart below).


FOREIGN [STRENGTH - WEAKNESS]
13 Wk. Avg.   May 12:  -0.1


                  [Graph Appears Here--See Plot Points Below]


                    FOREIGN
            [STRENGTH -- WEAKNESS]
                  13 Wk. Avg.

 26 SEP 94            3.1
  3 OCT 94            3.8
 10 OCT 94            4.1
 17 OCT 94            4.8
 24 OCT 94            6.0
 31 OCT 94            5.6
  7 NOV 94            4.6
 14 NOV 94            5.2
 21 NOV 94            5.4
 28 NOV 94            5.8
  5 DEC 94            6.5
 12 DEC 94            7.1
 19 DEC 94            6.5
 26 DEC 94            6.5
  2 JAN 95            8.4
  9 JAN 95            7.8
 16 JAN 95            7.2
 23 JAN 95            6.0
 30 JAN 95            5.8
  6 FEB 95            6.4
 13 FEB 95            5.3
 20 FEB 95            5.8
 27 FEB 95            6.7
  6 MAR 95            7.2
 13 MAR 95            6.7
 20 MAR 95            7.4
 27 MAR 95            7.3
  3 APR 95            6.4
 10 APR 95            7.4
 17 APR 95            6.9
 24 APR 95            6.2
  1 MAY 95            6.2
  8 MAY 95            5.3
 15 MAY 95            5.6
 22 MAY 95            5.6
 29 MAY 95            4.1
  5 JUN 95            2.1
 12 JUN 95            1.3
 19 JUN 95            0.5
 26 JUN 95            1.1
  3 JUL 95            0.5
 10 JUL 95            0.3
 17 JUL 95            0.9
 24 JUL 95            0.4
 31 JUL 95           -0.6
  7 AUG 95           -1.2
 14 AUG 95           -1.0
 21 AUG 95           -2.8
 28 AUG 95           -2.7
  4 SEP 95           -3.1
 11 SEP 95           -2.5
 18 SEP 95           -2.5
 25 SEP 95           -3.6
  2 OCT 95           -3.8
  9 OCT 95           -4.8
 16 OCT 95           -5.2
 23 OCT 95           -5.2
 30 OCT 95           -5.4
  6 NOV 95           -3.9
 13 NOV 95           -4.8
 20 NOV 95           -4.9
 27 NOV 95           -4.8
  4 DEC 95           -4.5
 11 DEC 95           -4.4
 18 DEC 95           -4.5
 25 DEC 95           -5.0
  1 JAN 96           -4.8
  8 JAN 96           -4.5
 15 JAN 96           -5.0
 22 JAN 96           -5.8
 29 JAN 96           -5.2
  5 FEB 96           -5.4
 12 FEB 96           -5.9
 19 FEB 96           -4.5
 26 FEB 96           -4.0
  4 MAR 96           -3.6
 11 MAR 96           -4.5
 18 MAR 96           -5.4
 25 MAR 96           -4.7
  1 APR 96           -5.7
  8 APR 96           -6.4
 15 APR 96           -5.8
 22 APR 96           -5.3
 29 APR 96           -5.6
  6 MAY 96           -5.7
 13 MAY 96           -5.9
 20 MAY 96           -7.2
 27 MAY 96           -6.2
  3 JUN 96           -6.2
 10 JUN 96           -5.7
 17 JUN 96           -5.5
 24 JUN 96           -5.2
  1 JUL 96           -5.0
  8 JUL 96           -4.7
 15 JUL 96           -4.0
 22 JUL 96           -4.4
 29 JUL 96           -5.2
  5 AUG 96           -6.2
 12 AUG 96           -5.7
 19 AUG 96           -5.2
 26 AUG 96           -5.1
  2 SEP 96           -4.6
  9 SEP 96           -2.8
 16 SEP 96           -2.7
 23 SEP 96           -2.4
 30 SEP 96           -1.7
  7 OCT 96           -0.5
 14 OCT 96           -1.3
 21 OCT 96           -0.5
 28 OCT 96            0.7
  4 NOV 96            2.4
 11 NOV 96            2.5
 18 NOV 96            3.8
 25 NOV 96            5.2
  2 DEC 96            6.3
  9 DEC 96            5.4
 16 DEC 96            6.2
 23 DEC 96            5.3
 30 DEC 96            5.8
  6 JAN 97            5.1
 13 JAN 97            4.6
 20 JAN 97            4.5
 27 JAN 97            4.5
  3 FEB 97            4.0
 10 FEB 97            4.8
 17 FEB 97            4.1
 24 FEB 97            1.8
  3 MAR 97            1.8
 10 MAR 97            1.0
 17 MAR 97            2.0
 24 MAR 97            3.3
 31 MAR 97            2.7
  7 APR 97            2.7
 14 APR 97            2.6
 21 APR 97            2.2
 28 APR 97            1.5
  5 MAY 97            0.5
 12 MAY 97           -0.1
 19 MAY 97           -0.7
 26 MAY 97             NA

Source: ISI Inc.

     With foreign economies struggling to hold on to modest growth, U.S. exports
seem unlikely to stimulate near-term economic growth.  There are factors working
to improve  the U.S.  economy,  such as high  equity  prices  and high  consumer
confidence,  but we expect the forces cited earlier will rule,  producing slower
growth over the balance of 1997.


                                                                               7


<PAGE>


ECONOMIC OUTLOOK (CONCLUDED)
- --------------------------------------------------------------------------------

The Impact of Smaller Budget Deficits

     A decline in the federal  government  deficit is a powerful  influence on
economic  growth and  inflation  but it also influences the capital  markets.
Smaller  deficits free up capital for alternative  investments.  The change in
the annual net financing requirement has been very dramatic (please see table
below).

Federal Government Deficit

                                                    12-month Sum in Billions
                                              ----------------------------------
                                              August 1992        September 1997*
- --------------------------------------------------------------------------------
  Treasury Interest Paid                         $200                 $250
 ................................................................................
  Treasury Issuance                              $324                 $ 70
 ................................................-----................-----......
  Net Financing Requirement                     +$124                -$180
 ................................................................................

  *Estimated.

     We see low inflation and dwindling  Treasury  issuance as strong  secular
forces able to create a declining  interest rate environment.  They will be
active near-term market influences when the economy is seen slowing.


8


<PAGE>


FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------

Additional Performance Information

     The shareholder letter included in this report contains statistics designed
to help you evaluate the performance of your Fund's  management.  The Securities
and Exchange Commission (SEC) requires that when we report such figures, we also
include the Fund's  total  return,  according  to a  standardized  formula,  for
various time periods  through the end of the most recent calendar  quarter.  The
SEC total return figures differ from those we reported  because the time periods
may be  different  and because the SEC  calculation  includes  the impact of the
currently effective 4.50% maximum sales charge for the Fund's Class A Shares.

Average Annual Total Return

  Periods Ended 3/31/97                   1 Year       5 Years  Since Inception*
- --------------------------------------------------------------------------------
  Class A Shares                          -0.30%        5.17%         6.21%
 ................................................................................

   *10/23/90.

     The Fund's total  returns  correspond  to those  experienced  by individual
shareholders  only if their shares were  purchased on the first day of each time
period and the maximum sales charge was paid. Any performance  figures shown are
for the full period indicated.  Since investment return and principal value will
fluctuate,  an investor's  shares may be worth more or less than their  original
cost when redeemed. Past performance is not an indicator of future results.

                                                                               9


<PAGE>


FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------
Statement of Net Assets                                           April 30, 1997
(Unaudited)

<TABLE>
<CAPTION>
                                                Rating*       Par      Market Value
Issuer                                       (Moody's/S&P)   (000)       (Note 1)
- -----------------------------------------------------------------------------------
<S><C>
MUNICIPAL BONDS--92.7%
General Obligation--61.1%
Arlington, Texas, Independent School
   District, 5.75%, 2021                     Aaa/NR         $5,000      $ 4,954,700
Charlotte,  NC:
   5.30%, 2011                               Aaa/AAA         1,590        1,585,278
   5.30%, 2012                               Aaa/AAA         1,120        1,111,062
   5.30%, 2012                               Aaa/AAA         2,325        2,306,447
   5.80%, 2016                               Aaa/AAA         2,500        2,576,825
Chicago, IL, 6.30%, 2009                     Aa/AA           1,000        1,078,940
Dallas, TX, 5.00%, 2010                      Aaa/AAA         1,750        1,692,075
Delaware State, Series "A",
  5.125%, 2016                               Aa1/AA+         2,150        2,029,278
DuPage County, IL, Jail Project,
   5.60%, 2021                               Aaa/AAA         1,600        1,567,008
Florida Board of Education, Refunding
   Public Education:
   6.125%, 2012                              Aa2/AA+         2,250        2,337,075
   5.50%, 2021                               Aa2/AA+         2,000        1,915,040
   5.125%, 2022                              Aa2/AA+         5,000        4,532,050
Franklin County, OH:
   5.45%, 2009                               Aaa/AAA         1,500        1,519,410
   5.50%, 2013                               Aaa/AAA         1,000          993,500
Georgia State, Series "D":
   5.00%, 2010                               Aaa/AA+         2,000        1,945,080
   5.25%, 2009                               Aaa/AA+         1,580        1,588,390
Grand Prairie, TX, School District,
   5.20%, 2018                               Aaa/AAA         2,000        1,865,080
Henrico County, VA:
   5.20%, 2008                               Aaa/AAA         1,200        1,205,496
   5.25%, 2009                               Aaa/AAA         1,000        1,002,430
Maryland State & Local Facilities,
   Second Series, 5.125%, 2010               Aaa/AAA         3,000        2,941,680
Minneapolis, MN, Sports Arena:
   5.00%, 2011                               Aaa/AAA         1,710        1,635,393
   5.00%, 2012                               Aaa/AAA         1,920        1,822,886
Mississippi State, 5.25%, 2014               Aa3/AA          3,000        2,886,570
</TABLE>

10


<PAGE>



FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                Rating*       Par      Market Value
Issuer                                       (Moody's/S&P)   (000)       (Note 1)
- -----------------------------------------------------------------------------------
<S><C>
General Obligation--concluded
Montgomery County, MD:
   5.60%, 2004                               Aaa/AAA        $1,000      $ 1,041,200
   5.00%, 2009                               Aaa/AAA         1,500        1,468,710
Plano, TX, Independent School District,
   5.00%, 2011                               Aaa/AAA         3,000        2,836,650
Portland, OR, Metro, 5.25%, 2007             Aa/AA+          1,500        1,506,930
Salt Lake County, UT, 5.25%, 2010            Aaa/AA+         2,000        1,988,340
South Carolina Capital Improvement,
   5.00%, 2009                               Aaa/AAA         2,700        2,652,534
South Carolina State Highway, Series "B",
    5.625%, 2014                             Aaa/AAA         2,700        2,723,166
State of  Tennessee:
   Series "A", 5.50%, 2009                   Aaa/AA+         1,535        1,565,193
   Series "A", 5.55%, 2010                   Aaa/AA+         1,000        1,014,500
   Series "B", 6.00%, 2005                   Aaa/AA+         2,000        2,136,020
State of  Texas, 6.00%, 2014                 Aa/AA           2,000        2,047,940
State of  Virginia, 5.375%, 2016             Aaa/AAA         2,500        2,451,650
Washington State, Series "A",
    5.60%, 2010                              Aa2/AA          1,500        1,510,560
                                                                       ------------
                                                                         72,035,086
                                                                       ------------
Electric and Gas Utility Revenue--5.1%
Jacksonville, FL, Electric Authority Revenue,
   St. John's River Power, 5.25%, 2028       Aa1/AA          2,000        1,836,320
Orlando, FL, Utility Commission,
   5.125%, 2019                              Aa1/AA          3,500        3,185,140
San Antonio, TX, Electric & Gas Revenue,
   Series "A", 6.50%, 2012                   Aa1/AA          1,000        1,041,790
                                                                       ------------
                                                                          6,063,250
                                                                       ------------
Prerefunded Issues--12.3%
Arizona Highway Transportation Board,
    6.00%, 2010                              #AAA/AAA        3,480        3,652,051
Florida Board of Education, Refunding
   Public Education, 6.50%, 2012             #AAA/AA+        2,500        2,705,775
</TABLE>

                                                                              11


<PAGE>



FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------
Statement of Net Assets (concluded)                               April 30, 1997
(Unaudited)

<TABLE>
<CAPTION>
                                                Rating*       Par      Market Value
Issuer                                       (Moody's/S&P)   (000)       (Note 1)
- -----------------------------------------------------------------------------------
<S><C>
MUNICIPAL BONDS--concluded
Prerefunded Issues--concluded
Howard County, MD, Consolidated
   Public Improvements, Series "A",
   6.90%, 2002                               #AAA/AAA       $1,000      $ 1,064,270
Jacksonville, FL, Electric Authority
   Revenue, Scherer 4-1-A, 6.75%, 2021       #AAA/AA         1,000        1,079,110
Lower Colorado River Authority, Jr.
   Lien, 4th Supply, 5.25%, 2015             #AAA/AAA        2,000        1,937,200
State of Hawaii, General Obligation:
   7.00%, 2006                               Aaa/**            750          800,085
   6.125%, 2010                              NR/**           1,000        1,055,410
University of  Texas, 6.50%, 2011            #AAA/AAA        2,000        2,164,500
                                                                       ------------
                                                                         14,458,401
                                                                       ------------
Transportation Revenue--9.4%
Florida Transportation Revenue,
   5.80%, 2018                               Aa2/AA+         2,000        1,999,820
Kansas Transportation Revenue:
   5.40%, 2009                               Aa/AA           2,000        2,006,680
   5.40%, 2009                               Aa/AA           2,500        2,508,350
Virginia State Transportation Authority:
   5.00%, 2008                               Aa/AA           1,100        1,076,250
   5.125%, 2009                              Aa/AA           2,500        2,450,475
   6.00%, 2010                               Aa/AA           1,000        1,028,400
                                                                       ------------
                                                                         11,069,975
                                                                       ------------
Water and Sewer Utility Revenue--3.6%
DuPage, IL, Water Commission,
   5.25%, 2011                               Aa1/AA          2,500        2,411,150
Washington Suburban Sanitary
   District, MD, 5.375%, 2010                Aa1/AA          1,810        1,784,027
                                                                       ------------
                                                                          4,195,177
                                                                       ------------
Other Revenue--1.3%
Indianapolis Local Public Improvement
   Board, IN, 6.00%, 2018                    Aaa/AA+         1,500        1,514,550
                                                                       ------------

Total Municipal Bonds
  (Cost $108,842,182)                                                   109,336,439
                                                                       ------------
</TABLE>

12


<PAGE>



FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------


                                                           Par      Market Value
Issuer                                                    (000)       (Note 1)
- --------------------------------------------------------------------------------

REPURCHASE AGREEMENT--6.0%
Goldman Sachs & Co., 5.25%
  Dated 4/30/97, to be repurchased
  on 5/1/97, collateralized
  by U.S. Treasury Notes with
  a market value of $7,191,200.
  (Cost $7,120,000)                                      $7,120     $  7,120,000
                                                                    ------------

Total Investment in Securities--98.8%
  (Cost $115,962,182)***                                             116,456,439

Other Assets in Excess of Liabilities, Net--1.2%                       1,391,690
                                                                    ------------

Net Assets--100.0%                                                  $117,848,129
                                                                    ============

Net Asset Value and Redemption Price Per:
  Flag Investors Class A Share
    ($38,788,768 / 3,717,678 shares outstanding)                          $10.43
                                                                          ======
  ISI Class Share
    ($79,059,361 / 7,579,385 shares outstanding)                          $10.43
                                                                          ======
Maximum Offering Price Per:
  Flag Investors Class A Share
    ($10.43 / .955)                                                       $10.92
                                                                          ======
  ISI Class Share
    ($10.43 / .9555)                                                      $10.92
                                                                          ======

- ----------
  * The Moody's or Standard & Poor's  ratings  indicated  are believed to be the
    most recent ratings available as of April 30, 1997.
 ** Prerefunded bonds backed by U.S. Treasury Securities. Absent prerefunding,
    this obligation is rated Aa3/A+.
*** Also, aggregate cost for federal tax purposes.


                       See Notes to Financial Statements.

                                                                              13


<PAGE>



FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------
Statement of Operations

                                                                    For the Six
                                                                    Months Ended
                                                                     April 30,
- --------------------------------------------------------------------------------
                                                                      1997(1)
Investment Income (Note 1):
   Interest                                                         $ 3,265,505
                                                                    -----------

Expenses:
   Investment advisory fee (Note 2)                                     241,980
   Distribution fee (Note 2)                                            152,692
   Administration fees (Note 2)                                         120,990
   Accounting fee (Note 2)                                               28,911
   Transfer agent fee (Note 2)                                           28,100
   Printing and postage                                                  17,108
   Legal                                                                 14,999
   Audit                                                                 14,321
   Registration fees (Note 1)                                            12,735
   Miscellaneous                                                         11,217
   Custodian fees                                                        10,594
   Directors' fees                                                        5,400
   Insurance                                                              2,386
                                                                    -----------
            Total expenses                                              661,433
   Less: Fees waived (Note 2)                                          (116,969)
                                                                    -----------
            Net expenses                                                544,464
                                                                    -----------
            Net investment income                                     2,721,041
                                                                    -----------
Net realized and unrealized gain/(loss) on investments:
   Net realized gain from security transactions                         174,825
   Change in unrealized appreciation or depreciation of investments  (1,283,244)
                                                                    -----------
   Net loss on investments                                           (1,108,419)
                                                                    -----------

Net increase in net assets resulting from operations                $ 1,612,622
                                                                    ===========

- ----------
(1) Unaudited.

                       See Notes to Financial Statements.

14


<PAGE>



FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------
Statement of Changes in Net Assets

                                                   For the Six     For the Year
                                                  Months Ended         Ended
                                                    April 30,       October 31,
- --------------------------------------------------------------------------------
                                                     1997(1)           1996
Increase/(Decrease) in Net Assets:
Operations:
   Net investment income                           $  2,721,041    $  5,787,049
   Net realized gain from security transactions         174,825         281,659
   Change in appreciation or
     depreciation of investments                     (1,283,244)       (272,341)
                                                   ------------    ------------
   Net increase in net assets resulting
     from operations                                  1,612,622       5,796,367
                                                   ------------    ------------
Dividends to Shareholders from:
   Net investment income:
     Flag Investors Class A Shares                     (890,824)     (1,958,320)
     ISI Class Shares                                (1,830,220)     (3,828,729)
   Net realized short-term gains:
     Flag Investors Class A Shares                     (136,103)       (286,075)
     ISI Class Shares                                  (280,786)       (545,496)
   Net realized long-term gains:
     Flag Investors Class A Shares                      (38,304)        (43,313)
     ISI Class Shares                                   (79,536)        (82,292)
                                                   ------------    ------------
   Total distributions                               (3,255,773)     (6,744,225)
                                                   ------------    ------------
Capital Share Transactions (Note 3):
   Proceeds from sale of shares                       1,230,031       8,278,327
   Value of shares issued in
     reinvestment of dividends                        1,824,816       3,789,940
   Cost of shares repurchased                        (9,467,718)    (17,488,342)
                                                   ------------    ------------
   Decrease in net assets derived from capital
     share transactions                              (6,412,871)     (5,420,075)
                                                   ------------    ------------
   Total decrease in net assets                      (8,056,022)     (6,367,933)

Net Assets:
   Beginning of period                              125,904,151     132,272,084
                                                   ------------    ------------
   End of period                                   $117,848,129    $125,904,151
                                                   ============    ============

- ----------
(1) Unaudited.

                       See Notes to Financial Statements.

                                                                              15


<PAGE>

FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------
Financial Highlights -- Flag Investors Class A and ISI Class Shares
(For a share outstanding throughout each period)(1)


                                                                   For the Six
                                                                  Months Ended
                                                                    April 30,
- --------------------------------------------------------------------------------
                                                                      1997(2)


Per Share Operating Performance:
   Net asset value at beginning of period                            $ 10.58
                                                                     -------
Income from Investment Operations:
   Net investment income                                                0.23
   Net realized and unrealized gain/(loss) on investments              (0.10)
                                                                     -------
   Total from Investment Operations                                     0.13
                                                                     -------
Less Distributions:
   Distributions from net investment income
     and short-term gains                                              (0.27)
   Distributions from net realized long-term gains                     (0.01)
                                                                     -------
   Total distributions                                                 (0.28)
                                                                     -------
   Net asset value at end of period                                  $ 10.43
                                                                     =======
Total Return(3)                                                         1.24%
Ratios to Average Daily Net Assets:
   Expenses(4)                                                          0.90%(6)
   Net investment income(5)                                             4.50%(6)
Supplemental Data:
   Net assets at end of period:
     Flag Investors Class A Shares                                   $38,789
     ISI Class Shares                                                $79,059
   Portfolio turnover rate                                                11%(6)

- ----------
(1) Computed based upon average shares outstanding.
(2) Unaudited.
(3) Total return excludes the effect of sales charge.
(4) Without the waiver of advisory and administration fees (Note 2), the  ratio
    of  expenses  to  average  daily net  assets  would  have been  1.09%
    (annualized),  1.13%,  1.10%,  1.11%,  1.14% and 1.27% for the six months
    ended April 30, 1997 and the years ended October 31, 1996,  1995, 1994, 1993
    and 1992, respectively.
(5) Without the waiver of advisory and administration fees (Note 2), the ratio
    of net  investment  income to average daily net assets would have been 4.31%
    (annualized),  4.25%,  4.52%,  4.16%,  4.14% and 4.41% for the six months
    ended April 30, 1997 and the years ended October 31, 1996,  1995, 1994, 1993
    and 1992, respectively.
(6) Annualized.


16


<PAGE>



FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>

                                                                                     For the Year Ended October 31,
                                                             ----------------------------------------------------------------------
                                                               1996           1995           1994            1993           1992
<S><C>
Per Share Operating Performance:
   Net asset value at beginning of period                    $ 10.65        $  9.81        $ 11.10         $ 10.31         $ 10.36
                                                             -------        -------        -------         -------         -------
Income from Investment Operations:
   Net investment income                                        0.48           0.48           0.46            0.50            0.50
   Net realized and unrealized gain/(loss) on investments         --           0.98          (1.15)           0.94            0.22
                                                             -------        -------        -------         -------         -------
   Total from Investment Operations                             0.48           1.46          (0.69)           1.44            0.72
                                                             -------        -------        -------         -------         -------
Less Distributions:
   Distributions from net investment income
     and short-term gains                                      (0.54)         (0.54)         (0.56)          (0.61)          (0.65)
   Distributions from net realized long-term gains             (0.01)         (0.08)         (0.04)          (0.04)          (0.12)
                                                             -------        -------        -------         -------         -------
   Total distributions                                         (0.55)         (0.62)         (0.60)          (0.65)          (0.77)
                                                             -------        -------        -------         -------         -------
   Net asset value at end of period                          $ 10.58        $ 10.65        $  9.81         $ 11.10         $ 10.31
                                                             =======        =======        =======         =======         =======

Total Return(3)                                                 4.67%         15.42%         (6.49)%         14.36%           6.06%
Ratios to Average Daily Net Assets:
   Expenses(4)                                                  0.90%          0.90%          0.90%           0.90%           0.90%
   Net investment income(5)                                     4.48%          4.72%          4.37%           4.38%           4.78%
Supplemental Data:
   Net assets at end of period:
     Flag Investors Class A Shares                           $41,193        $45,980        $49,903         $53,486         $45,536
     ISI Class Shares                                        $84,712        $86,292        $83,607         $88,378         $51,420
   Portfolio turnover rate                                        32%            55%            37%             68%             95%
</TABLE>


                       See Notes to Financial Statements.


                                                                              17


<PAGE>




FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------

Notes to Financial Statements

NOTE 1--Significant Accounting Policies

     Managed  Municipal  Fund,  Inc.  (the  "Fund"),  which was  organized  as a
Maryland  Corporation  on January 15, 1990,  commenced  operations  February 26,
1990.  The Fund is  registered  under the  Investment  Company  Act of 1940 as a
diversified, open-end Investment Management Company. It is designed to provide a
high level of total return with  relative  stability of principal as well as the
secondary  objective of high current  income  through  investment in a portfolio
consisting primarily of municipal  obligations,  the interest on which is exempt
from federal income tax.

     The Fund consists of two share classes:  ISI Managed  Municipal Fund Shares
("ISI Class"),  which  commenced  February 26, 1990, and Flag Investors  Managed
Municipal  Fund  Class A Shares  ("Flag  Investors  Class A"),  which  commenced
October 23, 1990.

     The ISI Class Shares have a 4.45%  maximum  front-end  sales charge and the
Flag Investors Class A Shares have a 4.50% maximum front-end sales charge.  Both
classes have a 0.25% distribution fee.

     When preparing the Fund's financial statements,  management makes estimates
and assumptions to comply with generally accepted accounting  principles.  These
estimates affect 1) the assets and liabilities that we report at the date of the
financial statements;  2) the contingent assets and liabilities that we disclose
at the date of the financial  statements;  and 3) the revenues and expenses that
we report for the  period.  Our  estimates  could be  different  from the actual
results. The Fund's significant accounting policies are:

     A.  Security  Valuation--Municipal  obligations  are usually  traded in the
         over-the-counter  market. When there is an available market quotation,
         the Fund values a  municipal  obligation  by using the most recent
         price  provided by an investment  dealer.  The Fund  utilizes the
         services of an  independent  pricing vendor to obtain prices. When a
         market quotation is unavailable,  the Investment Advisor  determines  a
         fair value using  procedures  that the Board of Directors establishes
         and monitors. The Fund values short-term obligations with maturities of
         60 days or less at amortized cost.

     B.  Repurchase  Agreements--The  Fund may enter into  tri-party  repurchase
         agreements with  broker-dealers and domestic banks. A repurchase
         agreement is a short-term investment in which the Fund buys a debt

18


<PAGE>



FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------

NOTE 1--concluded

         security  that the broker agrees to repurchase at a set time and price.
         The  third  party,  which is the  broker's  custodial  bank,  holds the
         collateral  in  a  separate  account  until  the  repurchase  agreement
         matures.  The  agreement  ensures that the  collateral's  market value,
         including any accrued  interest,  is sufficient if the broker defaults.
         The Fund's  access to the  collateral  may be delayed or limited if the
         broker  defaults  and the value of the  collateral  declines  or if the
         broker enters into an insolvency proceeding.

     C.  Federal Income Taxes--The Fund determines its distributions according
         to income tax regulations, which may be different from generally
         accepted accounting principles. As a result, the Fund occasionally
         makes reclassifications within its capital accounts to reflect income
         and gains that are available for distribution under income tax
         regulations.

             The Fund is organized as a regulated investment company. As long as
         it  maintains  this  status and   distributes   to  its   shareholders
         substantially all of its taxable net investment income and net realized
         capital gains, it will be exempt from most, if not all,  federal income
         and excise  taxes.  As a result,  the Fund has made no  provisions  for
         federal income taxes.

     D.  Security Transactions, Investment Income, Distributions and Other--The
         Fund uses the trade date to account for security transactions  and the
         specific identification  method  for  financial reporting  and income
         tax  purposes  to determine the cost of investments sold or redeemed.
         Interest income is recorded on an accrual basis and includes the pro
         rata scientific method for amortization of premiums  and  accretion  of
         discounts  when appropriate.  Income and common expenses are allocated
         to each class based on its respective average net assets. Class
         specific expenses are charged directly to each class.  Dividend income
         and distributions to shareholders are recorded on the ex-dividend date.

NOTE 2--Investment Advisory Fees, Transactions with Affiliates and Other Fees

     International Strategy & Investment Inc. ("ISI") is the Fund's investment
advisor   and   Investment  Company   Capital  Corp.   ("ICC")  is  the Fund's
administrator.  As compensation for its advisory services, the Fund pays ISI an
annual fee based on the Fund's average daily net assets. This fee is calculated
daily and paid monthly at the annual rate of 0.40%. As compensation for its

                                                                              19


<PAGE>



FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------

Notes to Financial Statements (continued)

NOTE 2--concluded

administrative  services,  the Fund pays ICC an annual  fee based on the  Fund's
average daily net assets.  This fee is calculated  daily and paid monthly at the
annual rate of 0.20%.

     ISI and ICC have agreed to reduce their fees proportionately when necessary
so that the Fund's annual  expenses are no more than 0.90% of the Fund's average
daily net assets.  For the six months ended April 30,  1997,  ISI waived fees of
$77,979 and ICC waived fees of $38,990.

     As compensation  for its accounting  services,  the Fund pays ICC an annual
fee that is calculated  daily and paid monthly from the Fund's average daily net
assets.  The Fund paid ICC $28,911 for  accounting  services  for the six months
ended April 30, 1997.

     As compensation  for its transfer agent  services,  the Fund pays ICC a per
account fee that is calculated  and paid monthly.  The Fund paid ICC $28,100 for
transfer agent services for the six months ended April 30, 1997.

     As compensation for providing  distribution services for the ISI Class, the
Fund  paid  Armata   Financial  Corp.,  an  affiliate  of  Alex.  Brown  &  Sons
Incorporated  ("Alex.  Brown"), an annual fee that was calculated daily and paid
monthly.  This fee was paid at an annual  rate  equal to 0.25% of the ISI Class'
average daily net assets.  Beginning  April 1, 1997, ISI Group Inc.  assumed the
role of distributor of the ISI Class. As compensation for providing distribution
services for the Flag  Investors  Class A Shares,  the Fund pays Alex.  Brown an
annual fee that is  calculated  daily and paid  monthly.  This fee is paid at an
annual rate equal to 0.25% of the Flag Investors  Class A Shares'  average daily
net  assets.  For the  six  months  ended  April  30,  1997,  distribution  fees
aggregated $152,692,  of which $103,178 was attributable to the ISI Class Shares
and $49,514 was attributable to the Flag Investors Class A Shares.

     The Fund's complex  offers a retirement  plan for eligible  Directors.  The
actuarially  computed  pension  expense  allocated  to the Fund  for the  period
November 1, 1996 through  April 30, 1997 was $2,046,  and the accrued  liability
was $18,728.

20


<PAGE>


FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------

NOTE 3--Capital Share Transactions

     The Fund is authorized to issue up to 40 million  shares of $.001 par value
capital  stock (15 million  Flag  Investors  Class A, 20 million ISI Class,  2.5
million Flag  Investors  Class B, 500,000 Flag  Investors  Class D and 2 million
undesignated). Transactions in shares of the Fund are listed below.

                                                  Flag Investors Class A Shares
                                                --------------------------------
                                                  For the Six          For the
                                                 Months Ended        Year Ended
                                                April 30, 1997       October 31,
                                                  (Unaudited)           1996
                                                --------------       -----------
Shares sold                                           22,849            200,140
Shares issued to shareholders on
   reinvestment of dividends                          53,519            114,250
Shares redeemed                                     (253,027)          (736,822)
                                                 -----------        -----------
Net decrease in shares outstanding                  (176,659)          (422,432)
                                                 ===========        ===========
Proceeds from sale of shares                       $ 238,130        $ 2,079,607
Value of reinvested dividends                        561,048          1,200,959
Cost of shares redeemed                           (2,668,242)        (7,734,234)
                                                 -----------        -----------
Net decrease from capital share transactions     $(1,869,064)       $(4,453,668)
                                                 ===========        ===========

                                                         ISI Class Shares
                                                --------------------------------
                                                  For the Six          For the
                                                 Months Ended        Year Ended
                                                April 30, 1997       October 31,
                                                  (Unaudited)           1996
                                                --------------       -----------
Shares sold                                           94,358            585,014
Shares issued to shareholders on
   reinvestment of dividends                         120,321            246,345
Shares redeemed                                     (646,136)          (924,026)
                                                 -----------        -----------
Net decrease in shares outstanding                  (431,457)           (92,667)
                                                 ===========        ===========
Proceeds from sale of shares                     $   991,901        $ 6,198,720
Value of reinvested dividends                      1,263,768          2,588,981
Cost of shares redeemed                           (6,799,476)        (9,754,108)
                                                 -----------        -----------
Net decrease from capital share transactions     $(4,543,807)       $  (966,407)
                                                 ===========        ===========

                                                                              21


<PAGE>


FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------

Notes to Financial Statements (concluded)

NOTE 4--Investment Transactions

     Excluding  short-term  obligations,   purchases  of  investment  securities
aggregated $6,551,646 and sales of investment securities aggregated  $13,600,943
for the six months ended April 30, 1997.

     On  April  30,  1997,  aggregate  gross  unrealized  appreciation  for  all
securities in which there is an excess of value over tax cost was $1,875,728 and
aggregate gross unrealized  depreciation for all securities in which there is an
excess of tax cost over value was $1,381,471.

NOTE 5--Net Assets

     On April 30, 1997, net assets consisted of:

Paid-in capital:
   Flag Investors Class A Shares                                   $ 37,824,163
   ISI Class Shares                                                  79,695,495
Overdistribution of net realized gains from security transactions      (165,786)
Unrealized appreciation of investments                                  494,257
                                                                   ------------
                                                                   $117,848,129
                                                                   ============
NOTE 6--Merger Agreement

     On April 6,  1997,  Bankers  Trust New York  Corporation  and  Alex.  Brown
Incorporated announced that they had signed a definitive agreement to merge. The
merger,  which is expected to be  completed  by the fourth  quarter of 1997,  is
subject to  customary  closing  conditions,  including  certain  regulatory  and
shareholder approvals.

22


<PAGE>


FLAG INVESTORS MANAGED MUNICIPAL FUND SHARES
- --------------------------------------------------------------------------------

Directors and Officers

                                EDWARD S. HYMAN
                                    Chairman

         RICHARD T. HALE                           NANCY LAZAR
          Vice Chairman                          Vice President

         R. ALAN MEDAUGH                       EDWARD J. VEILLEUX
     Director and President                      Vice President

        JAMES J. CUNNANE                         SCOTT J. LIOTTA
            Director                      Vice President and Secretary

         JOHN F. KROEGER                        CARRIE L. BUTLER
            Director                             Vice President

          LOUIS E. LEVY                         JOSEPH A. FINELLI
            Director                                Treasurer

       EUGENE J. MCDONALD                      LAURIE D. COLLIDGE
            Director                           Assistant Secretary


Investment Objective

A mutual  fund  designed to provide a high level of total  return with  relative
stability of principal as well as the secondary objective of high current income
through investment in a portfolio consisting primarily of municipal obligations,
the interest on which is exempt from federal income tax.


                                                                              23


<PAGE>



                      This page intentionally left blank.





<PAGE>


      This  report  is  prepared  for   the  general
   information of shareholders. It is authorized for
   distribution  to prospective  investors only when
   preceded   or   accompanied   by   an   effective
   prospectus.

      For more  complete  information  regarding  any
   of the Flag Investors Funds, including charges and
   expenses,  obtain  a  prospectus from your invest-
   ment representative  or directly  from the Fund at
   1-800-767-FLAG.   Read  it  carefully  before  you
   invest.



<PAGE>


                                     [LOGO]
                                 FLAG INVESTORS


                                     Growth
                      Flag Investors Emerging Growth Fund
                      Flag Investors Equity Partners Fund
                       Flag Investors International Fund

                                 Equity Income
                   Flag Investors Real Estate Securities Fund
                      Flag Investors Telephone Income Fund

                                    Balanced
                       Flag Investors Value Builder Fund

                                     Income
                 Flag Investors Short-Intermediate Income Fund
             Flag Investors Total Return U.S. Treasury Fund Shares

                                Tax-Free Income
                  Flag Investors Managed Municipal Fund Shares
           Flag Investors Maryland Intermediate Tax-Free Income Fund

                                 Current Income
                    Flag Investors Cash Reserve Prime Shares






                                  P.O. Box 515
                           Baltimore, Maryland 21203
                                  800-767-FLAG

                                Distributed by:
                               ALEX. BROWN & SONS
                                  INCORPORATED




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