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st: AW: predicted probabilities after probit

From   "Martin Weiss" <>
To   <>
Subject   st: AW: predicted probabilities after probit
Date   Tue, 29 Jun 2010 18:31:44 +0200


Of course I could see how you would obtain this result manually:

webuse laborsup, clear
ivprobit fem_work fem_educ kids (other_inc = male_educ)
margins, at((min) fem_educ (mean) other_inc kids) ///
at((max) fem_educ (mean) other_inc kids) ///
coefl post predict(pr)
lincom _b[2._at]-_b[1bn._at]

Whether this is a valid result, I am not sure. There is probably a reason
why the authors of -prchange- (part of the spost suite of commands) J. Scott
Long and Jeremy Freese have not extended their command to support


-----Ursprüngliche Nachricht-----
[] Im Auftrag von Lorenzo Ciari
Gesendet: Dienstag, 29. Juni 2010 16:49
Betreff: st: predicted probabilities after probit

Dear users,
I am estimating an IVprobit model, and I would like to estimate how the 
probability of (outcome==1) changes when a regressor goes from min to 
max and all the rest are unchanged.
Essentially, that is done by prchange in probit. Do you know how to do 
it in IVprobit? Thank you.
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