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st: comparing probit coefficients across two groups


From   Ebru Ozturk <ebru_0512@hotmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: comparing probit coefficients across two groups
Date   Fri, 4 Jan 2013 20:25:43 +0200

Dear All,

I run two models below with Probit estimation on Stata 10. First model covers firms that collaborate and the second model covers firms that do not collaborate. I want to compare the coefficients' of "s_breadth" variable. I cannot understand quite that whether -oglm- command applies to this type of problem. Can anyone make it clear?


///// example //////

probit radical_d businessgrp logemp continuous_rd process_inn product_inn total_innv ind1 s_breadth if collab_developd==1
estimates store collab1
probit radical_d businessgrp logemp continuous_rd process_inn product_inn total_innv ind1 s_breadth if collab_developd==0
estimates store collab0
suest collab1 collab0
test [collab1]s_breadth = [collab0]s_breadth 		 	   		  
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