变量 | (1) | (2) | (3) |
| ROA | ROA | ROA |
GT | 0.00726*** |
|
|
| (3.73) |
|
|
L.GT |
| 0.00555** |
|
|
| (2.56) |
|
L2.GT |
|
| 0.00578** |
|
|
| (2.41) |
SI | 0.0189*** | 0.0204*** | 0.0213*** |
| (10.56) | (10.21) | (9.57) |
TQ | 0.0107*** | 0.0101*** | 0.0106*** |
| (10.71) | (9.34) | (8.64) |
AG | 0.000460 | 0.000503 | 0.000429 |
| (1.57) | (1.54) | (1.16) |
ST | −0.00787** | −0.00614 | −0.00376 |
| (−2.14) | (−1.49) | (−0.81) |
GR | 0.00204* | 0.00174 | 0.00526*** |
| (1.67) | (1.36) | (2.84) |
LEV | −0.189*** | −0.199*** | −0.213*** |
| (−21.42) | (−19.90) | (−18.66) |
GDP | −0.000292 | −0.00169 | −0.00701 |
| (−0.08) | (−0.41) | (−1.50) |
TOP1 | 0.0370*** | 0.0400*** | 0.0396*** |
| (3.48) | (3.32) | (2.89) |
DU | 0.00253 | 0.00228 | 0.00286 |
| (0.82) | (0.65) | (0.72) |
PI | −0.0334 | −0.0260 | −0.0264 |
| (−1.34) | (−0.94) | (−0.84) |
_cons | −0.299*** | −0.335*** | −0.293*** |
| (−5.42) | (−5.39) | (−4.18) |
Y | 控制 | 控制 | 控制 |
IN | 控制 | 控制 | 控制 |
r2_a | 0.3271 | 0.3254 | 0.3205 |
N | 1887 | 1619 | 1349 |