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st: RE: Information request


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Information request
Date   Wed, 12 Aug 2009 20:47:49 +0200

<>


http://www.stata-journal.com/article.html?article=st0147

http://www.stata.com/support/faqs/stat/logit.html


HTH
Martin

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Fabio Zona
Sent: Mittwoch, 12. August 2009 20:36
To: .
Subject: st: Information request

Dear all

II am in the unfortunate situation of running a regression analysis, whereby:
- my dependent variable is a proportion (percentage of bonus on total compensation of top managers of 178 corporations),
- the majority (more than 50%) of my managers does not have any bonus, so the proportion is exact ZERO, that is, my dependent variable has many exact zeros.

How can I estimate this model? do you know the command I should use in Stata?
I know that I cannot use the fractional logit because I have many zeros. I have not found any zero-inflated logistic regression for situations whereby y are proportion!!

Please help!
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*   For searches and help try:
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