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st: Re: booststrapping with xtabond


From   "Laura Rovegno" <laura.rovegno@uclouvain.be>
To   statalist@hsphsun2.harvard.edu
Subject   st: Re: booststrapping with xtabond
Date   Fri, 4 Sep 2009 14:58:23 +0200

sorry this is the error:

> 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)

Bootstrap replications (10)
----+--- 1 ---+--- 2 ---+--- 3 ---+--- 4 ---+--- 5
xxxxxxxxxx
insufficient observations to compute bootstrap standard errors
no results will be saved
r(2000);

> 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
>
>
>
>
>


Laura ROVEGNO
Département des sciences économiques
Université catholique de Louvain
Collège L.H. DUPRIEZ,
Place Montesquieu, 3
Louvain-la-Neuve
Belgique
http://www.econ.ucl.ac.be
ph: ++32(0)1047 3071


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