Effects: Higher Later
Effects: Homogenous
Effects: Lower Later
5
10
15
20
5
10
15
20
5
10
15
20
-10
-5
0
5
Time period
True ATT
ATT
ATT for
Switchers
Effects: Higher Later
Effects: Homogenous
Effects: Lower Later
Estimator:
Two-way Fixed Effects
Estimator:
Chaisemartin-d'Haultfoeuille
-8
-4
0
4
-8
-4
0
4
-8
-4
0
4
0%
2%
4%
6%
8%
10%
0%
2%
4%
6%
8%
10%
Simulated effect estimate
Percent of simulations