Explanatory variable | The increment of income level of urban residents | The increment of income level of rural residents | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | |
Sample range | Less than 200 km | Less than 150 km | Less than 125 km | Less than 100 km | Less than 75 km | Less than 200 km | Less than 150 km | Less than 125 km | Less than 100 km | Less than 75 km |
Transfer | 40.44** | 41.32** | 40.54** | 53.29** | 97.75** | 0.929 | 2.235 | 3.710 | 6.925* | 14.82* |
(17.42) | (18.71) | (18.58) | (22.22) | (48.40) | (2.021) | (2.230) | (2.746) | (3.746) | (7.980) | |
F (distance) | Cubic | Cubic | Cubic | Cubic | Cubic | Cubic | Cubic | Cubic | Cubic | Cubic |
R 2 | 0.232 | 0.210 | 0.320 | 0.312 | 0.237 | 0.076 | 0.069 | 0.068 | 0.068 | 0.053 |
Observations | 2025 | 1591 | 1352 | 1091 | 874 | 1848 | 1448 | 1247 | 1035 | 829 |