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st: diff-in-diff for panel count data?
From
"Heekyung \"Hellen\" Kim" <[email protected]>
To
<[email protected]>
Subject
st: diff-in-diff for panel count data?
Date
Sun, 16 Oct 2011 15:11:32 -0400
How do you implement diff-in-diff for panel on count data?
For example, I have D (1 for treatment group, 0 for control group) and T (1
after treatment, 0 before treatment). Samples have different starting
years, though.
xtset ID year
gen DxT=D*T
xtnbreg y D T DxT i.start_year
Would the above work?
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