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st: Stata journal paper on interaction terms in count models
From
James Bernard <[email protected]>
To
[email protected]
Subject
st: Stata journal paper on interaction terms in count models
Date
Wed, 8 May 2013 14:10:17 +0800
Hi all,
Norton, Wang and Ai (2004) have discussed a Stat command to test for
interaction term in Logit models. This could be pretty handy in
difference-in-difference models where one needs to include an
interaction term involving treatment and time indicators.
May I check with you if you know of similar commands for testing for
interaction effects in Poisson/negative binomial models? I would need
to build a difference-in-difference model in a Poisson model.
Thanks in advance,
James
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