Research Article

[Retracted] How to Evaluate the Efficiency of Green Economy and Its Regional Differences: Evidence from China

Table 3

Second-stage random frontier regression results.

Real capital stockNumber of employed personsTotal water supplyTotal electricityBuilt-up area

Constant term−12.383 (−1.269)14.022 (3.317)216.090 (4.291)393.651 (1.331)527.305 (4.737)
Ln (PGDP)6.102 (2.692)−6.278 (−5.258)−50.192 (−3.316)198.886 (1.997)−75.046 (−1.991)
Expenditure on technology and education share of GDP58.311 (3.367)−42.968 (−3.559)−214.090 (−1.729)241.913 (0.255)−340.536 (−1.979)
Expenditure on energy conservation and environmental protection share of GDP58.186 (0.871)−127.887 (−2.942)−1318.317 (−2.931)−3171.728 (−3.085)−3302.647 (−2.664)
The second industry share of GDP−113.504 (−9.851)17.128 (3.042)−61.826 (−0.956)−1248.703 (−2.825)−587.677 (−3.539)
Total import and export share of GDP21.690 (4.235)−0.505 (−0.209)−137.415 (−3.450)−832.836 (−3.447)−108.409 (−1.141)
σσσ 2222337.279 (3.173)56.104 (5.105)28005.398 (15442.383)707671.550 (37838.040)222112.090 (89727.844)
γγγ0.978 (135.076)0.579 (4.471)0.901 (105.085)0.778 (40.306)0.916 (120.750)
The log function value−1085.726−952.783−1664.048−2266.027−1960.665
LR unilateral check value145.28839.257348.971172.724368.040

Note. , , and show significance at the 1% level, 5% level, and 10% level, respectively.