So that's why!  I am working on Stata 7.  
Thanks for your answer.
M�nica L.
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of TEWODAJ MOGUES
Sent: Wednesday, May 05, 2004 1:02 PM
To: [email protected]; Stata _
Subject: st: Endogenous option on the predetermined variables in xtabond
extimations
Monica, it doesn't work on Stata7 but it works on Stata8. Which were you
using? Tewodaj
~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~
Tewodaj Mogues
Dept. of Agricultural and Applied Economics
University of Wisconsin - Madison
427 Lorch St. #317, Taylor Hall
Madison, WI 53706
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