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st: Panel data with dependent variable from a single period: Which regression?


From   "Amber Katz" <academicgirl@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Panel data with dependent variable from a single period: Which regression?
Date   Tue, 18 Apr 2006 11:46:56 -0400

Hi all,

I have 3 periods of panel data on individual level opinions of various
products and whether they ended up purchasing them in the 3rd period. 
I'm trying to run a multinomial logit regression where the dependent
variable is which, if any, product (of a set of 7) the person
purchased in the last period.  I'd like to regress this on their
time-varying opinions from the first and second periods, as well as on
certain time-invariant personal characteristics.

What is the right regression to use?  Should I just use a single
multinomial logit regression with data points from the first and
second as independent variables?

Thanks,
Amber

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