Table 3 Placebo tests of the IFEct estimator.
Placebo tests | ||
|---|---|---|
TOST test | t-test | |
p-value | 0.000 | 0.177 |
Local COVID-19 severity variables | Y | Y |
City-fixed effects | Y | Y |
Date-fixed effects | Y | Y |
Number of cities | 323 | 323 |
Number of treated cities | 148 | 148 |
Number of control cities | 175 | 175 |
