| 模型1 | 模型2 | 模型3 | 模型4 | 模型5 | 模型6 |
X1 | 0.0458*** (2.84) | 0.0424** (2.59) | 0.0169 (1.250) | 0.0479*** (2.970) | 0.0458*** (2.800) | 0.0444*** (2.750) |
X2 |
| 0.0496 (1.17) |
|
|
|
|
X3 |
|
| −0.0806*** (−5.470) |
|
|
|
X4 |
|
|
| 0.162 (1.240) |
|
|
X5 |
|
|
|
| −0.00473 (−0.160) |
|
X6 |
|
|
|
|
| 0.00109 (1.130) |
_cons | −0.566 (−1.56) | −0.487 (0.192) | 0.228 (−1.33) | −0.619* (−1.710) | −0.563 (−1.540) | −0.538 (−1.490) |
N | 45 | 45 | 45 | 45 | 45 | 45 |
R2 | 0.1381 | 0.1841 | 0.4844 | 0.1488 | 0.1181 | 0.1437 |
F | 8.05*** | 4.74** | 21.67*** | 4.85** | 3.95** | 4.69** |