Re: st: nested logit

["Emla Fitzsimons" <efitzy75@hotmail.com>]

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.

Thanks,
Emla.



> From: "Ray Boston" <boston@cahp.vet.upenn.edu>
> Reply-To: statalist@hsphsun2.harvard.edu
> To: statalist@hsphsun2.harvard.edu
> 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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