On Moday Marian Asked
> Does Stata do Heckman selection model with more than 2 choices? I have
> more than 2 (actually 4) treatment groups. I am not sure if the stata
> commands like heckman or heckprob can help me. Are there modified
versions
> of these commands to analyze selection model with more than 2 choices in
> stata.
>Is there any other way to calculate an estimator for the selection model
with
>a mulltinomial selection.
There is a user-written command -selmlog- that estimates linear regression
models on a selected subset of observations, where selectivity is modeled as
a multinomial logit.
To locate and install the command type:
net from http://www.crest.fr/pageperso/lmi/gurgand
and click on the blue link "selmlog"
-- Gustavo
[email protected]
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
