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) | 0.0164*** (0.00491) | 0.00423** (0.00143) | 0.0197*** (0.00492) | 0.00363*** (0.00136) | 0.0164*** (0.00542) |
Lev | −0.0453*** (0.00355) | −0.0502*** (0.00446) | −0.0466*** (0.00249) | −0.0541*** (0.00353) | −0.0453*** (0.00259) | −0.0502*** (0.00350) |
Ros | 0.181*** (0.00796) | 0.188*** (0.00833) | 0.180*** (0.00650) | 0.185*** (0.00851) | 0.181*** (0.00664) | 0.188*** (0.00850) |
Growth | 0.00522*** (0.00109) | 0.00551*** (0.00104) | 0.00502*** (0.000981) | 0.00527*** (0.000819) | 0.00522*** (0.00105) | 0.00551*** (0.000826) |
Sub |
| 0.000923*** (0.000143) |
| 0.000927*** (0.000178) |
| 0.000923*** (0.000171) |
GI ´ Sub |
| −0.000923*** (0.000321) |
| −0.00113*** (0.000331) |
| −0.000963*** (0.000362) |
size |
| 0.00211*** (0.000750) |
| 0.00261*** (0.000668) |
| 0.00211*** (0.000705) |
age |
| −0.00115*** (0.000167) |
|
|
| −0.00115*** (0.000178) |
Year | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
N R2 | 3731 0.481 | 3731 0.512 | 3731 0.482 | 3731 0.506 | 3731 | 3731 |