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st: AW: mfx-Elasticity for a dummy variable
From
"Martin Weiss" <[email protected]>
To
<[email protected]>
Subject
st: AW: mfx-Elasticity for a dummy variable
Date
Mon, 7 Jun 2010 09:16:44 +0200
<>
What is the difference of your example to this one - where the marginal
effects do seem to change:
*************
sysuse auto, clear
gen logprice=log(price)
gen logweight=log(weight)
reg logprice length logweight foreign
mfx compute, varlist(logweight) dydx at(mean)
mfx compute, varlist(logweight) eyex at(mean)
mfx compute, varlist(logweight) dyex at(mean)
mfx compute, varlist(logweight) eydx at(mean)
*************
HTH
Martin
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von Nyasha Tirivayi
Gesendet: Montag, 7. Juni 2010 02:50
An: [email protected]
Betreff: st: mfx-Elasticity for a dummy variable
Dear All
I am trying to estimate elasticity for a dummy explanatory variable in
the following model
ln(y) = a + b ln(x) + T + D Z
I am interested in calculating the elasticity for T a dummy variable
for a "treatment". What is the formula in stata? Is it mfx,dy/dx or
mfx,dyex?
I have done mfx,dyex and the result still remains the coefficient for
T. Could it be that simple? Or there is another way ?
Kindly advise
Nyasha Tirivayi
Maastricht University
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