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st: Biprobit for panel data
Hi,
I am quite new to Stata and have alredy run in to
problems =) (trust me, I am not blaming Stata for
that...). I have a pair of probits where the
dependent variable of the second equation is
included as an explanatory variable in the first
equation, as I understand it, this is not a
problem in the biprobit command. I have
successfully (I hope) alredy estimated the model
for cross sections whit the robust cluser command
and found a significant correlation between the
two equations, but, my problem is that the data
is an unbalanced panel and I would like to extend
the model to account for random effects in order
to actually use the panel structure, and I do
suspect that there are individual specific
effects. Is it possible to run biprobit together with an xt command?
And, does anybody have an idea about how the
results can be expected to change when using an
xt command compared to just using robust cluster?
Thanks for your time!
/Magdalena
----------
MAGDALENA NORBERG-SCH�NFELDT
DEPARTMENT OF ECONOMICS � UME� UNIVERSITY � SE-90187 UME� � SWEDEN
TELEPHONE: + 46 90 786 61 46 � FAX: + 46 90 77 23 02
EMAIL: [email protected]
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