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st: interpret the marginal effect of interaction term in logit model


From   wying1@umbc.edu
To   statalist@hsphsun2.harvard.edu
Subject   st: interpret the marginal effect of interaction term in logit model
Date   Thu, 21 Apr 2005 01:35:42 -0400 (EDT)

Dear listusers,

I have a quick question about the marginal effect of logit model.

Suppose I put black, female, and the interaction term of black and female
(blackfem) in the logit model, and use "mfx compute" to obtain the
marginal effects.  My dependent variable is a dichotomous variable:
person's working status.  My model is:

working status (Y) = B0 + black*B1 + female*B2 + blackfem*B3 + ... +
error term.

Regardless of the significance value, can I simply interpret B1-B3 as
what we do for OLS? If not, how did you interpret them in English?


Thanks in advance,
Ying



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