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st: question on xtscc and on fixed effects in general
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st: question on xtscc and on fixed effects in general
Date
Mon, 20 Jun 2011 09:35:04 +0100 (BST)
Hello,
I am using xtscc in a specification including fixed effects, maximum possible
lags of 2 and firm dummies interacted with another variable. In some of the
regressions, I notice that Stata returns no results for the constant?! It shows
me that the constant was omitted and I get 0s for the coefficient estimates in
my output in outreg2 tables.
Could you let me know if this might be a reason to worry that something with my
specification is wrong? Alternatively, how can I interpret cases when the
constant is omitted from the regression results.
Many thanks in advance.
Rado
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