<PAGE>
CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the use in this Registration Statement on Form N-1A of our
report dated June 30, 2000, relating to the financial statements and financial
highlights of Morgan Stanley Dean Witter Short-Term U.S. Treasury Trust, which
appears in such Registration Statement. We also consent to the references to us
under the headings "Custodian and Independent Accountants," "Experts" and
"Financial Highlights" in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
------------------------------
PricewaterhouseCoopers LLP
1177 Avenue of the Americas
New York, New York 10036
July 24, 2000
