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st: Model specification

From   "joe J." <>
Subject   st: Model specification
Date   Tue, 11 May 2004 05:36:43 +0000

Dear all,

I have a labour productivity equation which is in log-log form, i.e.,
I want to add a dummy variable and a time trend (categorical variables) to
the basic model. My question is should these two variables be also used in
log-form or not?

Thanks for any pointers.

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