| 变量 | GTI | ENV |
| Overseas | 0.156*** | 0.939** |
|
| (−2.75) | (−2.4) |
| GTI |
| 0.259*** |
|
|
| (−4.38) |
| Size | −0.0184 | 0.891*** |
|
| (−1.33) | (−9.37) |
| Lev | 0.0243 | 0.749** |
|
| (−0.45) | (−2) |
| ROA | 0.113 | −0.708 |
|
| (−1.34) | (−1.21) |
| Capital | −0.201 | −1.655* |
|
| (−1.56) | (−1.85) |
| R&D | 0.00185 | −0.00197 |
|
| (−1) | (−0.15) |
| Board | 0.0146*** | −0.0299 |
|
| (−2.65) | (−0.79) |
| TobinQ | −0.00738* | 0.0581** |
|
| (−1.83) | (−2.09) |
| top10 | −0.00215*** | −0.0472*** |
|
| (−3.09) | (−9.83) |
| _cons | 0.911*** | −12.18*** |
|
| (−3.15) | (−6.10) |
| N | 16242 | 16242 |
| R-sq | 0.097 | 0.172 |
| F | 86.15 | 157.1 |