-mfx- uses the default predict option when calculating the marginal effects.
For -xtlogit, re- the default is fitted values, xb. I suspect you want -mfx,
predict(pu0)- where pu0 is the predicted probability, Pr(depvar=1 assuming
u_i=0).
Scott
----- Original Message -----
From: "Pallab Mozumder" <pallab74@hotmail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, March 22, 2004 12:00 PM
Subject: st: marginal effect in random effect logit model
> Hi Listers,
> I am running a simple random effect logit model with 3 independent variable
> [2 of them are dummy variables (with 0 and 1) and the other one is
> continuous variable]. When I try to compute the marginal effets at the mean
> level (with "mfx compute"), i get the same value of (dy/dx), st. error and
> significance level as I got for the coefficients of the original random
> effect model. It looks a little odd to me. Can anybody tell me what's wrong
> I am doing and how to do it correctly.
>
> Thank you in advance.
>
> chanchal
>
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