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Re: st: RE: Marginal effects after ivprobit


From   Tinna <statalist@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: Marginal effects after ivprobit
Date   Tue, 13 Sep 2005 16:37:23 -0400

Thanks for the answer Scott.  Yes I am pretty sure.  

If you try the same estimations again without regressing quietly then
you will probably see that the coefficients you get after mfx are the
same as from the original estimation.  Nothing has really been
changed.

And also where are the standard errors. Usually mfx spits back
something that looks like this.


Tinna

On 9/13/05, Scott Merryman <smerryman@kc.rr.com> wrote:
> Are you sure?
> 
> 
> . webuse laborsup, clear
> 
> . qui ivprobit fem_work fem_educ kids (other_inc = male_educ)
> 
> . mfx , predict(p)
> 
> warning: predict() expression p unsuitable for standard-error calculation;
> option nose imposed
> 
> 
> Marginal effects after ivprobit
>      y  = Probability of positive outcome (predict, p)
>         =  .44363395
> ----------------------------------------------------------------------------
>                        variable |          dy/dx                 X
> ---------------------------------+------------------------------------------
>                       other_inc |       -.0214364            49.6023
>                        fem_educ |        .0833791             12.046
>                            kids |       -.0719183              1.976
>                       male_educ |               0             11.966
> ----------------------------------------------------------------------------
> 
> 
> 
> Scott
> 
> 
> > -----Original Message-----
> > From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
> > statalist@hsphsun2.harvard.edu] On Behalf Of Tinna
> > Sent: Tuesday, September 13, 2005 2:48 PM
> > To: statalist@hsphsun2.harvard.edu
> > Subject: st: Marginal effects after ivprobit
> >
> > The command ivprobit does not allow me to compute marginal effects
> > with mfx as I can do with regular probit estimations.  Does anyone
> > know how to get to those marginal effects.
> > Tinna
> >
> 
> 
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