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Re: st: Nested Logit: Individual level parameters and degenerate branches?


From   Xiaoheng Zhang <zhangx@tcd.ie>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Nested Logit: Individual level parameters and degenerate branches?
Date   Fri, 29 Sep 2006 16:47:09 +0100

I guess this is because no within group variations,so Stata will automatically
drop individual characteristics,as it does in conditional logit model.

Kevin


 Rachel <academicgirl@gmail.com>:

> Can someone explain to me why individual-level parameters (that do not
> vary with alternatives) cannot be put in the lower level of the nested
> logit?
> 
> Also, how do you get Stata to handle degenerate branches (i.e.
> branches which do not have multiple alternatives attached to them)
> appropriately?
> 
> Thanks,
> Rachel
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