POWER OF ATTORNEY


The undersigned, being a person required to file a statement
under Section 16(a) of the Securities Exchange Act of 1934
(the 1934 Act) and/or Section 30(h) of the Investment
Company Act of 1940 (the 1940 Act) with respect to
Global High Income Dollar Fund Inc. (GHI),
Insured Municipal Income Fund Inc. (PIF),
Investment Grade Municipal Income Fund Inc. (PPM),
Managed High Yield Plus Fund Inc. (HYF) and Strategic
Global Income Fund, Inc. (SGL) ( each a Fund),
does hereby authorize, designate and appoint, Joseph
 Allessie, Mark F. Kemper, Tammie Lee, Eric Sanders
and Keith A. Weller, and each of them, as his attorney-
in-fact to execute and file statements on Form 3, Form 4,
 Form 5 and any successor forms adopted by the Securities
 and Exchange Commission, as required by the 1934 Act and
 the 1940 Act and the rules thereunder, and to take such
other actions as such attorney-in-fact may deem necessary
 or appropriate in connection with such statements (including,

 if necessary, executing and filing applications to obtain
EDGAR codes in order to make required electronic filings),
hereby confirming and ratifying all actions that such
attorney-in-fact has taken or may take in reliance hereon.
  This power of attorney shall continue in effect until
the undersigned no longer has an obligation to file
statements under the sections cited above, or until
specifically terminated in writing by the undersigned.


IN WITNESS WHEREOF, the undersigned has duly executed
 this power of attorney as of the 25th day of September
, 2006.





				/s/ Andrew B. Shoup
				Andrew Shoup