Table 6.
Stringency of lockdown measures and air pollution.
| Variables | (1) Ln(AQI) |
(2) Ln(SO2) |
(3) Ln(PM2.5) |
(4) Ln(PM10) |
(5) Ln(NO2) |
(6) Ln(CO) |
(7) Ln(O3) |
|---|---|---|---|---|---|---|---|
| Panel A: 11 complete lockdown cites vs. 40 partial lockdown cities | |||||||
| Treat_Lock (direct effects) | −0.265*** (−4.471) |
−0.077 (1.551) |
−0.269*** (−4.001) |
−0.323*** (−5.002) |
−0.682*** (−10.352) |
0.232 *** (6.657) |
0.269*** (6.329) |
| R-squared | 0.472 | 0.598 | 0.525 | 0.443 | 0.437 | 0.562 | 0.600 |
| log-likelihood | −150.091 | −314.661 | −274.650 | −243.115 | −270.477 | 74.400 | −72.451 |
| Panel B: 11 complete lockdown cites vs. 92 checkpoints cities | |||||||
| Treat_Lock (direct effects) | −0.064 (−1.215) |
−0.165*** (−2.897) |
−0.019 (−0.317) |
−0.101** (−2.012) |
−0.421*** (−6.369) |
0.171*** (4.283) |
0.229*** (6.214) |
| R-squared | 0.502 | 0.366 | 0.529 | 0.453 | 0.342 | 0.414 | 0.570 |
| log-likelihood | −345.021 | −739.890 | −575.994 | −557.696 | −769.241 | −200.246 | −158.799 |