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st: Heckman/2SLS


From   "Daniel" <methdunk@hotmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Heckman/2SLS
Date   Thu, 25 Sep 2003 15:27:33 +1000

Hi Stata Users

I want to incorporate sample selection bias using the Heckit model in a 2SLS
model.

I am unsure how to adjust the standard errors in the 2SLS model to account
for sample selection bias (do I need to do this?), in addition to including
the inverse mills ratio as a regressor.

Thanks

Daniel
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