He Yong-xiu, Yang Li-fang, Li Yan, Liu Shuo, Zhang Yu
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Comparative Research on Power Input and Efficiency of China's Typical Cities Based on Extension Model of DEA
In this paper, the city input-output efficiency analysis which includes electric power input has been done based on the extension models of DEA to Chinapsilas typical cities. At first, it established index system of comprehensive evaluation of city efficiency, and did input-output-effectiveness evaluation which include electric power input for China's 23 cities in 2006 and sorted by the urban development level, analyzed the returns to scale, and emphasized on the rationality of power input of the cities. Then it analyzed their efficiency vertically for some typical cities, and optimized the power input channels. At last, based on the comparing and analysis of the calculation results, it raised reasonable suggestions for the improvement of the input-output efficiency of Chinapsilas cities, especially the electric power input..
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