变量 | 模型(1) | 模型(2) | 模型(3) | 模型(4) | 模型(5) | 模型(6) |
GI | 0.00363* (0.00194) | 0.0305** (0.0140) | 0.00423* (0.00143) | 0.0333* (0.0170) | 0.00363*** (0.00136) | 0.0305* (0.0164) |
Lev | −0.0453*** (0.00355) | −0.0481*** (0.00453) | −0.0466*** (0.00249) | −0.0523*** (0.00350) | −0.0453*** (0.00259) | −0.0481*** (0.00351) |
Ros | 0.181*** (0.00796) | 0.190*** (0.00851) | 0.180*** (0.00650) | 0.187*** (0.00840) | 0.181*** (0.00664) | 0.190*** (0.00830) |
Growth | 0.00522*** (0.00109) | 0.00570*** (0.00104) | 0.00502*** (0.000981) | 0.00549*** (0.000774) | 0.00522*** (0.00105) | 0.00570*** (0.000784) |
Sub |
| 0.00132*** (0.000165) |
| 0.00143*** (0.000118) |
| 0.00132*** (0.000124) |
GI ´ Sub |
| −0.00182** (0.000832) |
| −0.00195* (0.00104) |
| −0.00182* (0.00101) |
size |
| 0.000952 (0.000780) |
| 0.00144** (0.000617) |
| 0.000952 (0.000630) |
age |
| −0.00102*** (0.000166) |
|
|
| −0.00102*** (0.000177) |
Year | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
N R2 | 3731 0.481 | 3731 0.518 | 3731 0.482 | 3731 0.514 | 3731 | 3731 |