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Re: st: relation between 2 coefficients in a regression analysis


From   Rodrigo Badilla <rodrigo.badilla@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: relation between 2 coefficients in a regression analysis
Date   Fri, 5 Apr 2013 13:42:03 -0400

Thanks Maarten for you information.

Regards
Rodrigo

2013/4/5 Maarten Buis <maartenlbuis@gmail.com>:
> On Fri, Apr 5, 2013 at 4:26 AM, Rodrigo Badilla wrote:
>> I would like know if there exist some test or command to get the
>> relation or effect
>> between two coefficients in the a same model for independent variables in a
>> multivariable regression analysis in panel data.
>
> It is unclear to me what you want:
> Are you looking for the covariance in the sampling distribution of the
> coefficients? In that case type -matlist e(V)- after estimating your
> model.
> Are you looking for how much the effect of one variable changes as
> another variable changes? This is called an interaction effect. Look
> at -help fvvarlist-.
>
> Hope this helps,
> Maarten
>
> ---------------------------------
> Maarten L. Buis
> WZB
> Reichpietschufer 50
> 10785 Berlin
> Germany
>
> http://www.maartenbuis.nl
> ---------------------------------
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