Table 9 Regression results of heterogeneity analysis.
Variable | (1) Eastern region | (2) Central region | (3) Western region |
|---|---|---|---|
Dig | 0.2422*** (5.79) | 0.1244** (2.74) | 0.2044 (0.55) |
LnPgdp | 0.2247 (0.08) | 1.0586 (1.01) | 3.8665* (2.67) |
Pfdi | − 0.0151 (− 1.02) | − 0.1738 (− 1.15) | 0.8329 (1.23) |
Fai | − 0.0881 (− 0.12) | 0.2247* (1.99) | − 1.585 (− 1.15) |
Lntb | 0.1764* (1.99) | 4.2442 (1.02) | 1.2495 (0.17) |
Lnpeo | 0.6538 (0.77) | − 3.4398* (− 2.85) | 3.1423* (1.88) |
Gra | − 1.1314* (− 1.82) | 11.7674* (2.77) | 15.5487 (1.22) |
Cons | 0.1144* (1.88) | 14.2124* (1.77) | 2.3470* (2.17) |
Regional | YES | YES | YES |
Time | YES | YES | YES |
N | 1183 | 1521 | 806 |
R2 | 0.9658 | 0.9936 | 0.9977 |
