(1) | (2) | (3) | (4) | (5) | (6) | |
---|---|---|---|---|---|---|
w×UCEE | 0.0388*** (0.007) | 0.0399*** (0.007) | 0.0405*** (0.007) | 0.0411*** (0.007) | 0.0395*** (0.007) | 0.0399*** (0.007) |
Degree | 0.0180*** (0.005) | 0.0137** (0.006) | ||||
Between | 0.0192*** (0.006) | 0.0143** (0.007) | ||||
Eigen | 0.0036*** (0.001) | 0.0028** (0.001) | ||||
控制变量 | 否 | 是 | 否 | 是 | 否 | 是 |