Re: st: quasi maximum liklihood in heckman selection model

[nicola.baldini2@unibo.it]

ML is the default option with -heckman- (I use Stata 9.2). Just add the -robust- option

Nicola
P.S. I'll NOT receive/read any email but the Digest.

At 02.33 29/10/2008 -0400, Sami Haile wrote:
>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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