Table 11 PSM results (flow range heterogeneity)
cross-province | cross-city | cross-county | ||||
|---|---|---|---|---|---|---|
Method | ATT | T Value | ATT | T Value | ATT | T Value |
1 to 1 Neighbor Matching | 0.0398 (0.0048) | 8.25 | 0.0397 (0.0050) | 7.88 | 0.0277 (0.0068) | 4.08 |
1 to 4 Neighbor Matching | 0.0423 (0.0037) | 11.08 | 0.0399 (0.0040) | 9.92 | 0.0269 (0.0055) | 4.91 |
Radius Matching | 0.0397 (0.0048) | 8.25 | 0.0397 (0.0050) | 7.88 | 0.0277 (0.0068) | 4.08 |
Kernel Matching | 0.0411 (0.0034) | 11.41 | 0.0411 (0.0036) | 12.12 | 0.0308 (0.0049) | 6.24 |