השב: st: marginal effects after gmm estimation

[Yuval Arbel <yuval.arbel@gmail.com>]

Dr. Yuval Arbel, School of Business, Carmel Academic Center,Haifa, Israel 

"Anat (Manes) Tchetchik" <anatmanes@gmail.com> wrote:

>Dear all,
>
>I'm sorry for re-sending the question, I have looked in many sources
>and haven't find the answer
>
>I have a count data model of two eqns, and endogenous variables, which
>I have estimated using  gmm (I have version 13.0)  as follows::
>
>gmm ($abroad) ($home), inst(`x')inst( `Z')  twostep matrix(robust)
>winit(unadj,indep)
>
>where the eqns, are Poisson models such that
>
>$abroad for example is: abroad- exp({xb1: `E'} + {b0})"
>
>I'm not sure how to calculate the marginal effects here
>Do I have to calculate them manually such that. dy/dx= exp(xb)*b,
>
>Can I use instead the ivpoisson gmm wihch allows for mfx ?
>
>Best,
>Anat
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