Dear list-members,
I am using -mfx- after an -ivreg- estimation of the
following kind:
ivreg y (lnx = z1) z2
and I would like to be able to make a statement like "a 1%
change in lnx results in so many % change in y", so which
of the following would be correct?
mfx c, var(lnx) dyex
OR
mfx c, var(lnx) dydx
The cause of confusion is whether Stata takes the logarithm
of a variable or uses an already-"logged" variable in
calculating the marginal effects. (If it simply uses
already-"logged" variables, then what is the use of options
other than "dydx"?)
A clarification would be very helpful. Thank you in
advance.
Regards,
Nishant
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