| 模型 | 随机效应 |
| lnYit | 0.017*** |
|
| (10.34) |
| lnTt | −7.314* |
|
| (−2.17) |
| lnYct | 0.002*** |
|
| (3.28) |
| lnDi | −0.016** |
|
| (−2.59) |
| FTAi | 116.757 |
|
| (0.71) |
| Contigi | 62.393 |
|
| (0.43) |
| lnEXt | −37.743** |
|
| (−2.53) |
| lnPct | −5.763 |
|
| (−0.08) |
| Constant | 373.582 |
|
| (0.44) |
| Observations | 319 |
| Number of groups | 29 |