Table 10 PSM results (Income heterogeneity)
Method | Low income | Mid-low income | Mid-high income | High income | ||||
|---|---|---|---|---|---|---|---|---|
ATT | T Value | ATT | T Value | ATT | T Value | ATT | T Value | |
1 to 1 Neighbor Matching | 0.0659 (0.0154) | 4.27 | 0.0438 (0.0106) | 4.13 | 0.0411 (0.0064) | 6.33 | 0.0385 (0.0038) | 10.26 |
1 to 4 Neighbor Matching | 0.0605 (0.0121) | 4.97 | 0.0490 (0.0084) | 5.79 | 0.0437 (0.0052) | 8.43 | 0.0324 (0.0030) | 10.95 |
Radius Matching | 0.0659 (0.0154) | 4.27 | 0.0438 (0.0106) | 4.13 | 0.0411 (0.0064) | 6.33 | 0.0385 (0.0038) | 10.26 |
Kernel Matching | 0.0499 (0.0108) | 4.61 | 0.0527 (0.0075) | 6.99 | 0.0478 (0.0046) | 10.35 | 0.0307 (0.0026) | 11.57 |