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Re: st: Levpet, program error
Because there is more than one part to -levpet-.
-findit levpet- brings up:
SJ-8-2 st0145 . . Production function est. using the Olley and Pakes method
(help opreg if installed) . . . . M. Yasar, R. Raciborski, and B. Poi
Q2/08 SJ 8(2):221--231
provides reliable productivity measures from production
function estimation by controlling for simultaneity and
selection bias
SJ-4-2 st0060 Production function est. using inputs to control unobservables
(help levpet if installed) . . A. Petrin, B. P. Poi, and J. Levinsohn
Q2/04 SJ 4(2):113--123
implements the Levinsohn and Petrin approach that uses
intermediate inputs as proxies for unobservable shocks
to estimate the production function
In which -levpet- has the following installation files:
st0060/levpet.ado
st0060/levpet.hlp
st0060/levpet.dlg
st0060/levpet_p.ado
st0060/lp_bs_ss.ado
st0060/nllp_bs_gmm.ado
st0060/lp_gmm.ado
st0060/lp_gmm_grid.ado
st0060/lp_srch.ado
Scott
On Wed, Nov 11, 2009 at 5:36 PM, Solorzano Mosquera, Jenniffer
<[email protected]> wrote:
> Actually I found it in : www.stata-journal.com/software/sj4-2/st0060/levpet.ado
>
> But when I try to run it an error pop up:
>
>
>
> . levpet lnUSY if panel==3, free(lnUSL) proxy (lnUSM) capital(lnUSK) revenue
> no observations
> error #2000 occurred in program nllp_bs_gmm
> r(196);
>
> Any ideas about the program nllp_bs_gmm?
>
>
> Jenniffer Solorzano Mosquera
> Labor Markets Division - Inter-American Development Bank
> Washington, DC - USA
> (202) 623-3659
>
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
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