Difference-in-Differences — Two-Way Fixed Effects

 Method Two-Way Fixed Effects
 Outcome outcome
 Treatment treat_time
 Clustering Unit-clustered
 Control group never_treated
 Groups N
 Treated units N
 Control units N
 Observations N

 Event-Study Coefficients

 Coef. Std.Err. z P>|z| CI lower CI upper

 e=-N N N N N N N
 e=-N N N N N N N
 e=-N (ref) — — — — — —
 e=N N N N N N N
 e=N N N N N N N
 e=N N N N N N N
 e=N N N N N N N
 e=N N N N N N N
 e=N N N N N N N


Aggregate Treatment Effect

 Overall ATT N
 SE N
 z N
 P>|z| N
