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st: RE: Interval Regression Heckman
From
"David Roodman ([email protected])" <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: RE: Interval Regression Heckman
Date
Tue, 28 Feb 2012 07:35:49 +0000
My -cmp- program should be able to do this. The syntax would be something like
cmp setup
cmp (y_low y_high = x1 x2) (selectvar = x1 z1), indicators(selectvar*$cmp_intreg $cmp_probit)
predict mills, eq(selectvar)
where selectvar is a dummy indicator for the selected sample.
Type "findit cmp" to find the program.
--David
David Roodman
Senior Fellow
1800 Massachusetts Ave. NW
3rd floor
Washington, DC 20036
Center for Global Development
Independent Research and Practical Ideas for Global Prosperity
Phone: 1 202 416-4023
http://blogs.cgdev.org/open_book
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Bernini, Michele
Sent: Tuesday, February 28, 2012 8:15 AM
To: [email protected]
Subject: st: Interval Regression Heckman
Dear Statalisters,
does Stata allow using the Heckman procedure with an Interval regression in the second step? Shall I include the Mills ratio manually in the Interval regression after estimating the selection model?
Thanks for your help,
Michele
Michele Bernini
Phd Candidate
School of International Studies (SIS)
University of Trento
Via Verdi, 8/10
I-38122 Trento
Italy
Tel. +39 3491831687
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