Dear Professor King,
I found the programme relogit for rare events logit regression on your
homepage. I applied your model to estimate foreign market exit in a
sample of German and UK high-technology firms.
In this context, I have the following question:
When displaying the results, it is common practice to display the value
of the log-likelihood function. However, the relogit programme doesn't
save a value of the log-likelihood function. Is it correct to use the
log-likelihood function from the ordinary logit, although the latter
regression is biased? Or do I have to adjust the value of the
log-likelihood, for example by putting the relogit estimator of beta in
the formula of the log-likelihood?
Answering this question probably also determines, in which way I have
to calculate the Pseudo R2 to be displayed in my paper.
Thank you for your efforts (and happy Easter!).
Helmut Fryges
***************************************************************
Helmut Fryges
Centre for European Economic Research (ZEW)
Department of Industrial Economics and
International Management
L 7,1 ; 68161 Mannheim
P.O. Box 10 34 43 ; 68034 Mannheim
Germany
Phone: +49(0)621/1235-189
Fax: +49(0)621/1235-170
E-mail: fryges(a)zew.de
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