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针对经济发展方式和环境冲突中的碳排放效率问题,采用非期望产出的线性变换方式,运用数据转换函数处理方法对2012年中国各省的碳排放效率进行测算,避免了传统BCC模型中出现的问题。结果表明:中国的总体碳排放效率偏低,呈偏左分布,并且运用秩和检验发现中国东中西部地区的效率无明显差异。最后提出了典型省份碳排放量的削减空间,为消减碳排放提供思路。
Aiming at the problem of carbon emission efficiency in the economic development mode and environmental conflict, the linear conversion method of non-expected output is adopted, and the data conversion function is used to calculate the carbon emission efficiency of all provinces in China in 2012, avoiding the problems that occur in the traditional BCC model problem. The results show that China’s overall carbon emission efficiency is low and left-distributed, and rank-sum test shows that there is no significant difference in the efficiency of the eastern, middle and western China. Finally, the paper puts forward the reduction of carbon emissions in typical provinces, providing ideas for reducing carbon emissions.