Eva and Marteen,
Thank you very much for your help!! Your comments will help me to
achieve my work.
Leonor
2008/3/3, Maarten buis <[email protected]>:
> --- Leonor Saravia <[email protected]> wrote:
> > First step:
> > regress TAX EXP, robust
> >
> > predict tax_hat
> > Second step:
> > xtreg INV tax_hat, fe
>
> Eva has already given you an answer. I have just an aditional comment:
> Since you are using the first regression only to generate predicted
> values, the -robust- option will do nothing. The -robust- option only
> changes the standard errors, and leaves the regression coefficients,
> and thus also the predicted values, unchanged.
>
> -- Maarten
>
>
>
> -----------------------------------------
> Maarten L. Buis
> Department of Social Research Methodology
> Vrije Universiteit Amsterdam
> Boelelaan 1081
> 1081 HV Amsterdam
> The Netherlands
>
> visiting address:
> Buitenveldertselaan 3 (Metropolitan), room Z434
>
> +31 20 5986715
>
> http://home.fsw.vu.nl/m.buis/
> -----------------------------------------
>
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