Research Article
Technical and Energy Efficiency of Urban Logistics in China: Empirical Analysis of 216 Prefecture-Level Cities
Table 3
Test results that determine the choice of the translog production function.
| Value | Model 1 (no time lag) | Model 2 (1-year lag) | Model 3 (2-year lag) | Model 4 (3-year lag) |
| LLPH0 | −633.876 | −547.589 | −489.562 | −407.939 | Λ | 7.993 | 7.636 | 31.431 | 32.523 | Critical value | 7.045 | 7.04 | 7.045 | 7.045 | Test result | Rejected H0 | Rejected H0 | Rejected H0 | Rejected H0 |
|
|