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Re: st: nested logit

From   "Emla Fitzsimons" <>
Subject   Re: st: nested logit
Date   Mon, 09 Jun 2003 18:41:38 +0000

Thanks - I have indeed tried this but it in fact makes little difference. I am concerned that the problem may be arising because in each of my 3 levels, my regressors are always the exact same (time-invariant individual characteristics) and I interact them with the choices at each stage. Could this possibly be causing the huge change in parameter estimates at the 2nd level when I include the iv from the 3rd stage in that step? It seems strange to me.


From: "Ray Boston" <>
Subject: Re: st: nested logit
Date: Mon, 09 Jun 2003 09:15:41 EST

Don't use a constant term in your model.
Ray C Boston, PhD
Professor of Biomathematics and Biostatistics
Dept. of Clinical Studies, NBC
School of Veterinary Medicine
382 West Street Road Kennett Square, PA 19348
Phone 610 444 5800 (X 2557)

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