Re: st: Mills ratio after bivariate probit

[Shehzad Ali <sia500@york.ac.uk>]

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
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/

--
Shehzad I Ali
Department of Social Policy & Social Work
University of York
YO10 5NG
+44 (0) 773-813-0094


*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/