| (1) | (2) | (3) | (4) | (5) | (6) | |
|---|---|---|---|---|---|---|
| inno | Cee | is | Cee | pec | Cee | |
| DID | 0.351* | 0.039*** | -0.094*** | |||
| (0.204) | (0.006) | (0.016) | ||||
| DID×inno | 0.048*** | |||||
| (0.011) | ||||||
| DID×is | 0.013*** | |||||
| (0.005) | ||||||
| DID×pec | 0.023*** | |||||
| (0.008) | ||||||
| _cons | 6.246*** | 0.517 | 3.857*** | 0.558 | 2.741*** | 0.554 |
| (0.707) | (0.430) | (0.158) | (0.431) | (0.045) | (0.430) | |
| 控制变量 | YES | YES | YES | YES | YES | YES |
| 个体固定 | YES | YES | YES | YES | YES | YES |
| 年份固定 | YES | YES | YES | YES | YES | YES |
| N/条 | 4201 | 4201 | 4201 | 4201 | 4201 | 4201 |
| adj. R2 | 0.852 | 0.784 | 0.862 | 0.784 | 0.895 | 0.784 |
