dear Stata users,
I am using the Hausman and Taylor (1981) Stata command as follows:
xi:xthtaylor dep_var x1 x2 x3 x4 x5 i.country*y2001 i.country*y2002
i.country*y2003 i.country*y2004 i.country*y2005 i.country*y2006, endog(x1 x2
x3 x4 )
when, after the regression, I run the "xtoverid" command I get the following
error message:
xtoverid error: internal reestimation of eqn differs from original
I would really appreciate your help in understanding the reason of that!
Thanks
Maria
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