| 门槛变量 | urb | 门槛变量 | pgdp | ||
|---|---|---|---|---|---|
| 大城市 | 中小城市 | 大城市 | 中小城市 | ||
| 0.0049 | 0.0074*** | 0.0054 | 0.0038 | ||
| (0.0033) | (0.0028) | (0.0036) | (0.0027) | ||
| 0.0001 | -0.0014 | -0.0014 | 0.0011 | ||
| (0.0037) | (0.0026) | (0.0035) | (0.0025) | ||
| 0.0020 | 0.0017 | -0.0011 | 0.0019 | ||
| (0.0043) | (0.0030) | (0.0048) | (0.0030) | ||
| 0.0115*** | 0.0107*** | 0.0104** | 0.0089*** | ||
| (0.0043) | (0.0021) | (0.0041) | (0.0020) | ||
| 常数项 | 5.1459*** | 4.2818*** | 常数项 | 5.2784*** | 4.3364*** |
| (0.3678) | (0.1503) | (0.3709) | (0.1494) | ||
| R2 | 0.9840 | 0.9793 | R2 | 0.9841 | 0.9794 |
| 个体数 | 85 | 199 | 个体数 | 85 | 199 |