You could try:
xtreg output L.taxrate,fe i(id)
(note: "L" instead of "l")
HTH,
Philipp
Xiaoheng Zhang wrote:
> Dear all,
>
> I have a balanced panel for 16 countries,10 years(1993 to 2002).I use the
> following command to estimate a linear panel date model
>
> . tsset id year
> panel variable: id, 1 to 15
> time variable: year, 1993 to 2002
>
> . xtreg output l.taxrate,fe i(id)
> time-series operators not allowed
>
> What might be the problem?I checked the data set it is good,no missing value for
> "output" and "taxrate" and they are balanced.Very odd.Thanks in advance.
>
> Greetings,
>
> Xiaoheng Zhang(Kevin)
>
>
>
>
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