| 变量 | 未控制变量：湘西地区 | 控制变量 | ||||
|---|---|---|---|---|---|---|
| 湘西地区 | 张家界市 | 怀化市 | 湘西州 | |||
| TIA | -0.0130** | -0.0099*** | -0.0102*** | 0.0090 | -0.0073** | |
| (-2.43) | (-10.15) | (-67.82) | (0.74) | (-2.57) | ||
| GDP | 0.0017** | 0.0016*** | 0.0019*** | 0.0028*** | ||
| (7.47) | (12.14) | (7.06) | (11.57) | |||
| ST | 0.0014*** | 0.0020** | 0.0013** | 0.0012*** | ||
| (3.50) | (3.54) | (2.31) | (4.18) | |||
| UIG | -0.0256*** | -0.0120 | -0.0194** | -0.0190 | ||
| (-3.75) | (-2.41) | (-2.49) | (-1.70) | |||
| URB | 0.0023*** | 0.0025* | 0.0015*** | 0.0029*** | ||
| (4.04) | (2.72) | (4.58) | (5.19) | |||
| INF | -0.0001** | -0.0001 | -0.0004*** | -0.0001*** | ||
| (-2.13) | (-1.93) | (-3.32) | (-5.54) | |||
| 常数项 | 0.2403*** | 0.0270 | -0.0713 | 0.0073 | -0.0238 | |
| (33.50) | (0.82) | (-1.64) | (0.20) | (-0.42) | ||
| N | 360 | 360 | 60 | 120 | 180 | |
| R2 | 0.0021 | 0.7977 | 0.8494 | 0.8447 | 0.8928 | |
| 个体固定 | yes | yes | yes | yes | yes | |
| 时间固定 | yes | yes | yes | yes | yes | |
