(8)Inno | (9)Inv | (10)Inno | (11)Tech | (12)Inno | (13)Lab | (14)Inno | |
---|---|---|---|---|---|---|---|
Rail | 0.271***(0.061) | 59.681**(21.969) | 0.233***(0.056) | 0.107(0.255) | 0.260***(0.053) | 2.967***(0.538) | 0.120**(0.055) |
Inv | 0.001***(0.000) | ||||||
Tech | 0.103***(0.020) | ||||||
Lab | 0.051***(0.008) | ||||||
控制变量 | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
城市/年份固定效应 | Yes/Yes | Yes/Yes | Yes/Yes | Yes/Yes | Yes/Yes | Yes/Yes | Yes/Yes |
R2 | 0.9740 | 0.4477 | 0.9756 | 0.6639 | 0.9781 | 0.9296 | 0.9789 |
Obs | 496 | 496 | 496 | 496 | 496 | 496 | 496 |