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Re: st: equality of coefficients after ivreg


From   Austin Nichols <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: equality of coefficients after ivreg
Date   Wed, 9 Nov 2011 11:24:08 -0500

If you google:

test whether the coefficients are equal after ivreg2 site:stata.com

you will find several prior answers to this question including

http://www.stata.com/statalist/archive/2010-04/msg00373.html

On Wed, Nov 9, 2011 at 5:35 AM,  <M.Xu1@lse.ac.uk> wrote:
> Dear list
>
> I'm running
>
> Ivreg a_public b c (x = y z)
> Eststo public
> Ivreg a_private b c (x=y z)
> Eststo private
>
> Where a_public is 0 for a subsample "private" and a_private is 0 for a
> subsample "public".
>
> How can I test whether the coefficients of b are equal? It seems that
> suest does not work with either ivreg nor reg3.
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