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. 2016 Nov 9;13(11):1116. doi: 10.3390/ijerph13111116

Table 4.

The results of Stochastic Frontier Analysis (SFA).

Variables Slacks of
E K L CO2
Constant 689.12 *** 26.91 *** 632.96 *** 2462.35 ***
Gross Domestic Product (GDP) per capita −0.00078 −0.000042 *** 0.00003 *** −0.0019
Government support −44.08 *** −1.95 *** 0.93 *** −0.85
Industry structure −9.54 *** −0.11 *** 0.90 ** 12.49 ***
Import and exports −1.16 −0.08 *** 0.21 ** 2.00 **
Urbanization 14.95 *** 0.40 *** 0.51 *** −16.47 ***
Sigma-squared 237,647.09 433.34 39,319.84 2,796,319.9
Gamma 0.95 0.83 1.00 0.92
Log-likelihood function −1662.93 −982.06 −1162.11 −2018.07
Likelihood Ratio (LR) test of the one-sided error 401.32 170.58 922.91 332.01

E: Energy consumption; K: Capital stock; L: Labor force; CO2: Carbon dioxide emissions; *** Significance at the 1% level. ** Significance at the 5% level.