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Re: st: computing marginal effects after Heckprob
I'll try it right away
----- Original Message -----
From: "Tamas Bartus (tbartus)" <firstname.lastname@example.org>
Sent: Thursday, June 05, 2003 7:57 AM
Subject: Re: st: computing marginal effects after Heckprob
> Mikhail Melnik wrote:
> > I estimate two probit equations using HeckProb command ...
> > After the estimation I run MFX to estimate the marginal
> > effects. The computer never finishes the computation, and if I
> > break it, I get the reported derivative values but it states that:
> > "fail in calculating second derivative, no standard deviation reported"
> > standard errors are reported. I have several dummy variables in my
> > repressors in both equations.
> To get standard errors as well, and to speed up the computations, you
> be interested in checking out MARGIN that estimates aerage marginal
> To download the ado and help files, type
> in your favourite web-browser.
> Hope this helps,
> Tamas Bartus, PhD
> Assistant Professor, Department of Sociology and Social Policy
> Budapest University of Economic Sciences and Public Administration
> 1093 Budapest, Fovam ter 8.
> Phone: +36-1-217-51-72 Fax: +36-1-217-44-82
> Homepage: http://www.bke.hu/bartus
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