He, Yong-xiu; Yang, Li-fang; Yang, Wei-hong; Wang, Yue-jin - In: International Journal of Global Energy Issues 32 (2009) 4, pp. 350-360
extended models of data envelopment analysis (DEA) and stochastic frontier analysis (SFA) were used to analyse city input … about city efficiency was established, and the efficiencies of China's 23 typical cities in 2006 were evaluated based on DEA …, with a focus on the rationality of electric power input. We then employed SFA to analyse the city efficiency in 2006; we …