|
| pool | 年份固定RE | 国家固定FE | LagDV |
| Student | 0.078*** (4.807) | 0.083*** (6.13) | 0.027*** (2.49) | 0.008 (0.773) |
| GDP | 0.844*** (20.97) | 0.715*** (20.47) | 1.866*** (55.71) | 0.310*** (5.723) |
| Distance | −0.424*** (−6.06) | −0.384*** (−6.56) |
|
|
| Area | −0.019 (−0.698) | −0.022 (−0.999) |
|
|
| contig | 0.838*** (5.751) | 0.594*** (4.813) |
|
|
| population | 0.142*** (3.806) | 0.241*** (7.568) | 0.030 (0.134) | 0.210 (0.954) |
| IGDP | 0.631*** (9.278) | 0.463*** (7.912) | 0.896*** (15.14) | 0.187*** (3.323) |
| inflation | −0.113*** (−2.62) | −0.112*** (−2.95) | −0.035** (−2.03) | 0.002 (0.147) |
| Export(−1) |
|
|
| 0.669*** (23.439) |
| 常数 | 2.647***(16.34) | 2.772*** (20.42) | −0.889*** (−7.9) | 0.572*** (4.563) |
| R2 | 0.84 | 0.89 | 0.99 | 0.99 |
| 样本数 | 673 | 673 | 687 | 643 |