Variable | (1) eastern area | (2) central area | (3) western area |
lnDFI | 0.134*** | 0.133*** | 0.153*** |
| (0.0257) | (0.0149) | (0.0120) |
INS | 0.627*** | −0.284 | 0.434*** |
| (0.147) | (0.318) | (0.134) |
INL | 0.0256*** | 0.0186*** | 0.0141*** |
| (0.0051) | (0.0044) | (0.0030) |
RDI | 0.0009 | 0.0621** | 0.0480 |
| (0.0160) | (0.0243) | (0.0370) |
DFT | 0.644*** | 0.0391 | 0.108 |
| (0.101) | (0.564) | (0.261) |
RND | 0.0148 | 0.507** | 0.924*** |
| (0.226) | (0.201) | (0.142) |
Constant | 10.03*** | 9.500*** | 8.687*** |
| (0.306) | (0.343) | (0.155) |
|
|
|
|
Observations | 110 | 80 | 110 |
R-squared | 0.884 | 0.916 | 0.914 |