| 变量 | 被解释变量 | |||
| INT | IC | INT | INT | |
| 模型(1) | 模型(2) | 模型(3) | 模型(4) | |
| DT | 0.094*** (6.04) | 20.204*** (8.13) | -- | 0.083*** (5.39) |
| IC | -- | -- | 0.001*** (5.84) | 0.001*** (4.46) |
| LEV | −0.548*** (0.178) | −40.102** (0.613) | −0.586*** (−3.28) | −0.527*** (−2.97) |
| ROA | −0.949*** (0.305) | −222.976*** (−3.74) | 0.85*** (−2.82) | 0.831*** (−2.77) |
| SIZE | 0.000 (18.31) | 0.521 (0.52) | 0.001 (6.01) | 0.000 (0.09) |
| IDR | 0.496 (0.68) | 3.576 (0.51) | 0.06 (1.36) | 0.052 (1.22) |
| Cons | 1.261 | 658.075 | 1.032 | 0.912 |
| N | 3285 | 3285 | 3285 | 3285 |
| Std err | 0.016 | 2.486 | 0 | 0.051 |