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st: A layman question on model building


From   James Bernard <[email protected]>
To   [email protected]
Subject   st: A layman question on model building
Date   Thu, 7 Mar 2013 15:07:36 +0800

Hi all,

I have a question which may sound too basic, but I wonder if anyone could help:

We often add control variables that turn out to be insignificant. Does
that mean that I can remove that variable form my model without being
concerned with omitted variable bias?

Thanks,
James
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