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Re: st: Fixed-effects, unbalanced panel and time-invariant variable


From   Vera Troeger <vtroe@essex.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Fixed-effects, unbalanced panel and time-invariant variable
Date   Tue, 17 Oct 2006 15:11:48 +0100

xtfevd does work for unbalanced panels in the same way as fe.
Vera

PETITT Barbara schrieb:
Hello,

I have an unbalanced panel (for some firms, I have three years of data,
for others, two years or even only one year). One of my independent
variables is a time-invariant variable and with fixed-effects models,
its gets dropped. I contemplated using the fixed effects vectorxtfevd
decomposition (xtfevd), but does it work for unbalanced panel?
Otherwise, is there any alternative? Thank you.

Barbara.

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--
Vera E. Troeger
Lecturer in Political Science
Government Department
University of Essex
Wivenhoe Park
Colchester CO4 3SQ
UK

phone: +44 (0)1206 872509
email: vtroe@essex.ac.uk


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