PEVC | GPatent | UCEE | TFirm | UCEE | PEVC | GPatent | UCEE | TFirm | UCEE | ||
---|---|---|---|---|---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | ||
GPatent | 0.0407*** (0.012) | 0.0399*** (0.012) | |||||||||
TFirm | 0.0048*** (0.001) | 0.0046*** (0.001) | |||||||||
PEVC | 0.0855*** (0.010) | 0.0109*** (0.004) | 0.8995*** (0.081) | 0.0097** (0.004) | 0.0824*** (0.010) | 0.0113*** (0.004) | 0.9120*** (0.080) | 0.0102** (0.004) | |||
Degree | 0.1728** (0.084) | 0.2328*** (0.029) | 0.0261* (0.015) | 1.1128*** (0.300) | 0.0299** (0.015) | ||||||
Eigen | 0.0326*** (0.007) | 0.0218*** (0.003) | 0.0031** (0.001) | 0.1213*** (0.027) | 0.0033** (0.001) | ||||||
控制变量 | 是 | 是 | 是 | 是 | 是 | 是 | 是 | 是 | 是 | 是 |