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RE: st: Marginal effects of interactions in Tobit


From   Ebru Ozturk <ebru_0512@hotmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Marginal effects of interactions in Tobit
Date   Tue, 25 Dec 2012 19:00:48 +0200

Thank you for your response. But I need it for Stata 10. 

Kind regards
Ebru

----------------------------------------
> From: kit.baum@bc.edu
> To: statalist@hsphsun2.harvard.edu
> Subject: re: st: Marginal effects of interactions in Tobit
> Date: Mon, 24 Dec 2012 17:08:01 +0000
>
> <>
> Ebru said
>
> I wanted to obtain marginal effects of interaction terms in Tobit regression. Altough there are some examples given by Stata FAQ page http://www.stata.com/support/faqs/statistics/marginal-effects-after-interactions/ there is no example for Tobit estimation. I am particularly interested in marginal effects of quadratic term in Tobit? Can you explain how to do it for Tobit?
>
> sysuse auto,clear
> generate wgt=weight/1000
> tobit mpg c.wgt##c.wgt, ll(17)
> margins, dydx(wgt)
> margins, dydx(wgt) at(wgt=(1.75(0.5)4.75)) vsquish
> marginsplot
>
> Kit
>
>
> Kit Baum | Boston College Economics & DIW Berlin | http://ideas.repec.org/e/pba1.html
> An Introduction to Stata Programming | http://www.stata-press.com/books/isp.html
> An Introduction to Modern Econometrics Using Stata | http://www.stata-press.com/books/imeus.html
>
>
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