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st: Non-nested clusters

From   Bert Jung <>
Subject   st: Non-nested clusters
Date   Sun, 27 Sep 2009 00:15:47 -0400

Dear Statalisters,

I have a repeated cross-section of individuals in states (2 time
periods) and want to run a difference in difference with state-year
clusters.  Since these cluster variables are not nested, how can I
include this in -vce(cluster XX)-?

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