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This paper proposes an energy efficiency index based on the data envelopment analysisapproach. The index is used to examine energy efficiency in China. Using 1997-2006 paneldata for 29 provinces, we find that energy efficiency is negatively associated with the secondaryindustry share in GDP, the state-owned economic share in GDP and the governmentexpenditure share in GDP, and is positively associated with the technical level and non-coalshare in energy consumption. In addition, we find that there exists a large gap in energyefficiency among eastern, central and western regions. The eastern region has a significantlyhigher energy efficiency level than the central and western regions. We conclude that thedifferent levels of industry structure, government intervention, energy structure, and thetechnology content in the three regions lead to the differences in energy efficiency.
This paper proposes an energy efficiency index based on the data envelopment analysisapproach. The index is used to examine energy efficiency in China. The 1997-2006 paneldata for 29 provinces, we find that energy efficiency is negatively associated with the secondaryindustry share in GDP, the state-owned economic share in GDP and the governmentexpenditure share in GDP, and is positively associated with the technical level and non-coalshare in energy consumption. In addition, we find that there exists a large gap in energy efficiency in the eastern, central and western regions The eastern region has a significanthigher energy efficiency level than the central and western regions. We conclude that thedifferent levels of industry structure, government intervention, energy structure, and thetechnology content in the three regions lead to the differences in energy efficiency.