Table 13 Spatial econometric model robustness test.
From: Digital economy development and carbon emission intensity—mechanisms and evidence from 72 countries
(1) | (2) | (5) | (6) | (7) | |
|---|---|---|---|---|---|
VARIABLES | Main | Wx | Direct | Indirect | Total |
TIMG | 4.276*** | 3.559** | 4.305*** | 3.993** | 8.298*** |
(0.560) | (1.432) | (0.556) | (1.575) | (1.371) | |
TIMG2 | − 3.280*** | − 2.092* | − 3.325*** | − 2.472* | − 5.797*** |
(0.493) | (1.270) | (0.467) | (1.456) | (1.295) | |
gdp_per | − 0.853*** | 0.326*** | − 0.847*** | 0.296*** | − 0.552*** |
(0.0415) | (0.125) | (0.0425) | (0.110) | (0.110) | |
old | 0.00751 | 0.150*** | 0.0100 | 0.160*** | 0.170*** |
(0.0147) | (0.0391) | (0.0159) | (0.0482) | (0.0507) | |
urban | 0.0277*** | 0.0760*** | 0.0271*** | 0.0812*** | 0.108*** |
(0.00818) | (0.0180) | (0.00946) | (0.0213) | (0.0230) | |
trade_open | 0.00816 | 0.190 | 0.0116 | 0.192 | 0.204 |
(0.0548) | (0.139) | (0.0529) | (0.163) | (0.176) | |
rho | 0.0489 | ||||
(0.0729) | |||||
sigma2_e | 0.00986*** | ||||
(0.000581) | |||||
Observations | 576 | 576 | 576 | 576 | 576 |
Number of countries | 72 | 72 | 72 | 72 | 72 |
Country FE | YES | YES | YES | YES | YES |
Time FE | YES | YES | YES | YES | YES |