| Coefficient | Standard deviation | Prob.* |
α | 1.507*** | 2.927 | 0.004 |
Shibor | −0.240*** | 0.029 | 0.000 |
GZ | 0.542*** | 0.053 | 0.000 |
LV | −1.106*** | 0.087 | 0.000 |
SZ | −0.143*** | 0.052 | 0.006 |
BX | 0.196*** | 0.026 | 0.000 |
R2 = 0.676 |