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Re: st: Mills ratio after bivariate probit


From   Shehzad Ali <sia500@york.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Mills ratio after bivariate probit
Date   14 Nov 2008 07:37:30 +0000

Sami,

This is how I would calculate it:

biprobit (y = x1 x2 x3) (x1 = x2 x3 x4) [pw=weight]

predict xbeta1,xb

gen imills1=normd(xb)/normprob(xb)

replace imills1=-normd(xb)/(1-normprob(xb))

HTH,

Shehzad

On Nov 14 2008, Friedrich Huebler wrote:

Sami,

Please provide more information about your problem. What have you tried so far?

Friedrich

On Thu, Nov 13, 2008 at 6:48 PM, Sami Haile <samex_zegr8@yahoo.com> wrote:
Hi All

I have got a problem in eastimating mills ratio or sellectivity term after bivariate probit in stata. Can someone help me in this case? I appriciate for your help and time. Sami
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Shehzad I Ali
Department of Social Policy & Social Work
University of York
YO10 5NG
+44 (0) 773-813-0094


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