变量 | 模型(1) ROA | 模型(2) ROA | 模型(3) GI | 模型(4) GI | 模型(5) ROA | 模型(6) ROA |
Pay | 0.017*** |
| 0.054*** |
| 0.016*** |
|
| (18.20) |
| (5.54) |
| (18.00) |
|
Sto |
| 0.045*** |
| 0.246*** |
| 0.044*** |
|
| (17.07) |
| (8.51) |
| (16.79) |
GI |
|
|
|
| 0.003*** | 0.003*** |
|
|
|
|
| (4.78) | (4.65) |
Size | 0.007*** | 0.015*** | 0.151*** | 0.179*** | 0.007*** | 0.014*** |
| (13.06) | (28.71) | (20.52) | (25.45) | (11.98) | (26.64) |
Lev | −0.172*** | −0.177*** | 0.260*** | 0.252*** | −0.173*** | −0.178*** |
| (−49.50) | (−51.70) | (8.16) | (7.99) | (−49.69) | (−51.89) |
Growth | 0.065*** | 0.065*** | −0.041** | −0.043*** | 0.065*** | 0.065*** |
| (29.73) | (30.00) | (−2.56) | (−2.73) | (29.81) | (30.07) |
Top1 | 0.073*** | 0.069*** | −0.017 | −0.038 | 0.073*** | 0.069*** |
| (21.92) | (20.64) | (−0.43) | (−0.94) | (21.95) | (20.68) |
Constant | 2.807*** | −0.164 | 31.544*** | 21.009*** | 2.711*** | −0.227 |
| (5.19) | (−0.31) | (5.00) | (3.45) | (5.02) | (−0.43) |
State | Controlled | |||||
Year | Controlled | |||||
N | 14,942 | 14,942 | 14,942 | 14,942 | 14,942 | 14,942 |
R2 | 0.336 | 0.330 | 0.108 | 0.110 | 0.337 | 0.330 |
F值 | 664.0 | 679.9 | 139.0 | 139.8 | 583.4 | 596.4 |