[Limdep Nlogit List] Question about degenerate nests

Ho Quoc Chinh hoqchinh at yahoo.com.vn
Sat Jun 26 14:40:15 EST 2010


Hi Shane Martin,

Yes for your question. IV of degenerate brach = 1 so putting variable  
in utility function at branch level is same as in alternative (twig)  
level. In other words, just define U function at lowest level, ie.  
alternative.

Regards,
Chinh.

Sent from my iPhone

On Jun 25, 2010, at 8:33 PM, "Martin, Shane L." <slmartin at mitre.org>  
wrote:

> Hi,
> I was hoping that someone might be able to help me with defining the  
> utility of a degenerate alternative.
> The utility should only have to be defined at one level of the  
> model, correct? Or, put another way, the utility
> Should NOT be defined at more than one level, correct?
>
> Thanks,
> Shane Martin
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> Limdep at limdep.itls.usyd.edu.au
> http://limdep.itls.usyd.edu.au





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