Table 5 Main effects of ICT investment on carbon emission efficiency.
Variable | (1) | (2) | (3) | (4) |
|---|---|---|---|---|
CEE | CEE | CEE | CEE | |
LnICT | 0.145*** | Â | Â | Â |
| Â | (3.83) | Â | Â | Â |
LnHW | Â | 0.168*** | Â | Â |
| Â | Â | (3.66) | Â | Â |
LnCW | Â | Â | 0.146*** | Â |
| Â | Â | Â | (4.27) | Â |
LnSW | Â | Â | Â | 0.057*** |
| Â | Â | Â | Â | (2.67) |
R&D | 1.807** | 1.822** | 1.935** | 0.715 |
| Â | (2.11) | (2.23) | (2.37) | (0.85) |
Urba | −1.829** | −2.027*** | −2.102*** | −1.477** |
|  | (−2.63) | (−2.88) | (−2.98) | (−2.18) |
Gov | −1.432 | −1.715 | −1.804 | −0.265 |
|  | (−1.23) | (−1.53) | (−1.53) | (−0.24) |
Str | 0.007 | 0.066 | 0.085 | 0.005 |
| Â | (0.06) | (0.60) | (0.76) | (0.03) |
_cons | 0.793 | 1.041* | 1.009* | 1.362** |
| Â | (1.39) | (1.97) | (1.88) | (2.31) |
Year | Yes | Yes | Yes | Yes |
Individual | Yes | Yes | Yes | Yes |
N | 108 | 108 | 108 | 108 |
r2_within | 0.263 | 0.271 | 0.280 | 0.196 |
F | 6.300*** | 5.590*** | 6.180*** | 6.290*** |