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st: Dropping two time dummies


From   Nima Darbari <[email protected]>
To   [email protected]
Subject   st: Dropping two time dummies
Date   Sun, 23 Feb 2014 11:03:52 +0100

I am estimating a panel regression (371 firms*215 months) with firm
fixed effects using xtreg, the thing is when I add time dummies to
account for time fixed effects, two of the time dummies are omitted
due to collinearity, shouldn't it be only one?
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