I'm trying to do boostrapping of standard erros in a xtabond estimation,
and I the following error message:
. bootstrap, reps(10): xtabond pcm AD_CVD yr82-yr94 if all==1 & year<1992,
pre(imp, endog) pre(ks, endog) pre(t, endog) maxldep(5) maxl
> ags(5)
(running xtabond on estimation sample)
Do you know what the problem may be? I have a sample of 4596 observations
(12 years x 383 groups).
It works if I do it with a simple ivreg in first difference
Thanks
Laura
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