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st: RE: psmatch2

From   "Millimet, Daniel" <>
To   <>
Subject   st: RE: psmatch2
Date   Tue, 9 Aug 2005 06:34:11 -0500

It doesn't make sense, timing-wise, that the treatment affects the outcome and the outcome affects the probability of treatment.  Perhaps what you envision is that pre-treatment unemployment duration affects the prob. of treatment, and then the treatment potentially affects post-treatment unemployment duration.  Thus, you need to split unemployment duration into 2 variables - pre and post-treatment - where the former enters the model for the propensity score and the latter is the outcome of interest.


Daniel L. Millimet, Associate Professor
Department of Economics
Box 0496
Dallas, TX USA
phone: 214.768.3269
fax: 214.768.1821
-----Original Message-----
From: [] On Behalf Of Patricia Vera Rojas
Sent: Tuesday, August 09, 2005 1:24 AM
Subject: st: psmatch2


I am using psmatch2 in order to evaluate the impact of a
job assistance program in the unemployment duration of

Can the outcome variable be also included both in the
logit/probit and in the regression using psmatch2?
(the outcome variable is unemployment duration and it also
determines the probability of participating in the program)


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