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st: fixed effects with multicollinearity


From   "Reddy, Colin" <creddy@uj.ac.za>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: fixed effects with multicollinearity
Date   Fri, 29 Jul 2011 08:04:18 +0000

Dear Listers

I have variables that have high multicollinearity due to interaction terms. Do I have to mean centre these explanatory variables (or all of them, even the controls) even though the within fe estimator does mean centering automatically?

Colin

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