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RE: st: question on dealing with sample selectivity in panel data


From   "jyotsna puri" <pjyotsna@hotmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: question on dealing with sample selectivity in panel data
Date   Mon, 27 Jun 2005 13:31:09 +0000

Colin,
I posted the same question a while ago  too, to no avail.
Let me know if you hear anything.
-Jo



Jyotsna (Jo) Puri
pjyotsna@hotmail.com




----Original Message Follows----
From: <Colin.Vance@dlr.de>
Reply-To: statalist@hsphsun2.harvard.edu
To: <statalist@hsphsun2.harvard.edu>
Subject: st: question on dealing with sample selectivity in panel data
Date: Mon, 27 Jun 2005 14:16:00 +0200

Hello,

A while ago the following question was submitted to the Stata
Listserver, but I wasn't able to find a response. As I have the same
question, I am resubmitting the question in the hopes that somebody
could provide some insights:

>While Stata has -heckman- to perform selection corrections for
>cross-sectional data, I am wondering whether there are any Stata
>commands or user-written programs that allows me to perform selection
>corrections for panel data models.
>
>Specifically, are there any commands or programs based on Jeffrey M.
>Wooldridge's paper entitled "Selection corrections for panel data
>models under conditional mean independence assumptions" (J. of
>Econometrics, 1995)?

Many thanks,
Colin

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