--- On Tue, 8/9/09, Dorothy Bridges wrote:
> I still don't see, then, how mfx, eyex gives me a value different
> than the coefficient on lnx in -regress lny lnx-.
In your linear regression model of y on x you assume changing
elasticities, and -mfx- gives you the elasticity within that
model for someone with average values of x. In your regression
model of lny on lnx you assume constant elasticities.
-- Maarten
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://www.maartenbuis.nl
--------------------------
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