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st: RE: quasi maximum liklihood in heckman selection model


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: quasi maximum liklihood in heckman selection model
Date   Wed, 29 Oct 2008 09:23:56 +0100

Not sure what you are aiming at: -help heckman- shows that -robust- is
already possible for the vce in  for the heckman ML variant...


HTH
Martin

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Sami Haile
Sent: Wednesday, October 29, 2008 3:56 AM
To: statalist
Subject: st: quasi maximum liklihood in heckman selection model

Dear Statalist
Can someone tell me how to eastimate heckman selection model with quasi
maximul likelihood, so as to use the huber- white robust eastimator of
variance. Thanks in advance.
regards,
sami



      

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