Have a look at the Stata's FAQs:
http://www.stata.com/support/faqs/stat/chow3.html
http://www.stata.com/support/faqs/stat/chow.html
http://www.stata.com/support/faqs/stat/awreg.html
Best,
Johan Hellstrom
>Dear Collegues,
>
>
>Can someone please tell me what command(s) may be used
>to TEST if a panel, cohort of two cross-sections
>(1997,2001) can be pooled?
>
>I am running three estimations in(cross-section,
>pooled and the first-difference)...Although pooled
>model tends to show better results, not sure
>pooling is valid.
>
>Thanks
>Anita
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