Research Article
Research on the Impact of Environmental Regulation on Total Factor Energy Effect of Logistics Industry from the Perspective of Green Development
Table 6
Stationary test of major variables.
| | Variable | LLC inspection | IPS inspection | Fisher-ADF inspection | | Horizontal sequence | First difference | Horizontal sequence | First difference | Horizontal sequence | First difference |
| | LnLFEE | −1.833
(0.5497) | −1.127
(0.0056) | 8.675
(0.0000) | 9.953
(0.0294) | 30.5823
(0.2820) | 137.9068
(0.0000) | | LnINV | −0.191
(0.4243) | −3.442
(0.0003) | −0.9171
(0.1795) | 3.114
(0.0000) | 84.6759
(0.1970) | 93.0724
(0.004) | | LnHUC | −2.569
(0.1560) | 5.7949
(0.0051) | 3.8132
(0.9999) | −2.371
(0.0840) | 45.7005
(0.1370) | 78.4194
(0.0554) | | LnLDL | 4.924
(0.0000) | −9.953
(0.0294) | 2.8799
(0.9980) | 2.311
(0.0104) | 40.7137
(0.0890) | 69.1712
(0.0000) |
|
|
Note: is statistically significant at 1%, is statistically significant at 5%, and is statistically significant at 10%. |
