| 东北地区 | 东部地区 | 西部地区 | 中部地区 |
VARIABLES | (1) | (2) | (3) | (4) |
lnDIF | 0.804*** | 0.786*** | 0.952*** | 0.667*** |
(0.0758) | (0.0649) | (0.0787) | (0.0653) | |
HUMANS | −7.633 | −3.767*** | −8.776*** | −7.175*** |
(5.617) | (1.402) | (2.701) | (1.952) | |
FDI | −2.959* | 0.936 | −8.210** | 4.754** |
(1.619) | (1.748) | (3.550) | (2.181) | |
lnPGDP | −0.118 | 0.363*** | 0.203 | 0.674*** |
(0.200) | (0.115) | (0.147) | (0.171) | |
IND | −0.316 | 2.357*** | −0.300 | −0.332 |
(0.608) | (0.458) | (0.334) | (0.490) | |
lnSCI | −0.0507 | 0.194*** | 0.0701 | 0.297*** |
(0.0560) | (0.0425) | (0.0562) | (0.0498) | |
Constant | 1.812 | −10.47*** | −2.977** | −8.624*** |
(2.685) | (1.256) | (1.380) | (1.172) | |
Observations | 430 | 860 | 710 | 790 |
Number of code | 43 | 86 | 71 | 79 |
R-squared | 0.400 | 0.729 | 0.498 | 0.663 |
Hausman | 27.88 | 92.41 | 234.1 | 102.9 |
p-value | 9.92e−05 | 0 | 0 | 0 |