VARIABLES | 替换变量 | 固定效应 | ||||
risk1 | risk2 | Risk1 | Risk2 | Risk1 | Risk2 | |
(1) | (2) | (3) | (4) | (5) | (6) | |
RD | −0.009** | −0.016** |
|
| −0.013*** | −0.031*** |
| (−2.25) | (−2.27) |
|
| (−3.41) | (−3.42) |
RD2 | 0.001** | 0.001** |
|
| 0.001*** | 0.001*** |
| (2.44) | (2.47) |
|
| (3.48) | (3.49) |
RDP |
|
| −0.006*** | −0.014*** |
|
|
|
|
| (−3.61) | (−3.73) |
|
|
RDP2 |
|
| 0.000*** | 0.001*** |
|
|
|
|
| (2.95) | (3.05) |
|
|
control | Y | Y | Y | Y | Y | Y |
Year/Ind | Y | Y | Y | Y | Y | Y |
Constant | 0.189*** | 0.357*** | 0.133*** | 0.331*** | 0.257*** | 0.629*** |
| (4.90) | (4.96) | (11.75) | (11.95) | (6.83) | (6.86) |
N | 9926 | 9926 | 7805 | 7805 | 9829 | 9829 |
R-squared | 0.172 | 0.172 | 0.196 | 0.192 | 0.216 | 0.213 |