Table 6 The results of heterogeneity analysis.
Variable | Panel A: income | Panel B: age | Panel C: education level | |||
|---|---|---|---|---|---|---|
Low-income | High-income | Old-generation | New-generation | Low-education | High-education | |
Provincial-pooling of URRBMI | 0.123 (0.099) | 0.090** (0.041) | 0.090** (0.041) | 0.116* (0.060) | 0.036 (0.074) | 0.130*** (0.044) |
Control variables | yes | yes | yes | yes | yes | yes |
Region fixed effect | yes | yes | yes | yes | yes | yes |
Time fixed effect | yes | yes | yes | yes | yes | yes |
Observation | 1264 | 5046 | 5046 | 2370 | 1828 | 4482 |