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Re: st: RE: heckman and singer


From   ncdcta00@uniroma2.it
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: heckman and singer
Date   Mon, 13 Nov 2006 15:18:58 +0100

thanks a lot

Quoting Maarten Buis <M.Buis@fsw.vu.nl>:

--- ncdcta00@uniroma2.it wrote:
I want to estimate the heterogeneous models by  heckman and singer,
Do you Know if existe in stata a command for this type of duration
model?

The statalist is a multidisciplinary list, so if you use a reference
like heckman and singer, which may be well known in your
(sub-)discipline but probably not outside your discipline, you run a
big risk that someone may know the answer but doesn't understand you,
so can't answer. I assume you refer to the article below, and if
that's the case then it is implemented for some models in Stephen
Jenkins' -hshaz- package.

Heckman, James & Singer, Burton, 1984. "A Method for Minimizing the
Impact of Distributional Assumptions in Econometric Models for
Duration Data," Econometrica, vol. 52(2), pages 271-320

HTH,
Maarten

-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------



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