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Re: st: AW: AW: Creating a variable taking the value of elasticity


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: AW: AW: Creating a variable taking the value of elasticity
Date   Tue, 8 Sep 2009 14:20:38 +0000 (GMT)

--- On Tue, 8/9/09, Dorothy Bridges wrote:
> But what I don't understand is: the second method 
> (using mfx, eyex) gives me a different value than
> the first method (storing the coefficient on x
> from *regress lny lnx*).  Why?

Does x or y contain values that are 0 or less? In 
that case you are creating missing values by 
creating lnx and/or lny. 

-- Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------


      

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