|
| 高收入地区 | 低收入地区 |
| envi | −0.123*** | 0.007 |
|
| (0.000) | (0.781) |
| fee | 0.056*** | −0.036*** |
|
| (0.000) | (0.002) |
| mark | 0.647*** | 0.245*** |
|
| (0.000) | (0.000) |
| gc | −0.003 | −0.059*** |
|
| (0.165) | (0.000) |
| gc2 | 0.000 | 0.002*** |
|
| (0.541) | (0.000) |
| tech | 0.027 | −0.015 |
|
| (0.201) | (0.396) |
| fdi | 0.033* | −0.009 |
|
| (0.062) | (0.36) |
| _cons | −1.595*** | 0.395 |
|
| (0.004) | (0.214) |
| Wald chi2(8) | 142.850 | 280.980 |
| Prob > chi2 | (0.000) | (0.000) |