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Re: Re: st: outreg2 and beta coefficients


From   Christopher Baum <kit.baum@bc.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: Re: st: outreg2 and beta coefficients
Date   Sat, 13 Aug 2011 10:40:13 -0400

On Aug 13, 2011, at 2:33 AM, John wrote:

> 
> By the way, what the point of beta coefficients, and who uses them?

People who don't understand elasticities.

beta coefficients express the effect of a one sd change in x on y, in terms of sd units of y. In that sense they can express
'bang for the buck' when regressors do not have natural units; e.g., indices of political freedom, economic freedom, etc.
But an economist would naturally just calculate elasticities (using -margins-) to get at this issue. 

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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