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Evaluation research on the circular economy efficiency of the coal industry based on DEA model

机译:基于DEA模型的煤炭行业循环经济效率评价研究

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摘要

The coal industry plays a very important role in the process of economic development in China. The efficient operation of the coal industry chain is the important foundation for the development of coal circular economy. In this paper, we mainly discuss the three types of coal industry chains, and establish a model to measure the efficiency of the coal industry chain based on the DEA theory. Then by using the coal industry data from 28 provinces and cities nationwide during 2012-2015, we measure the efficiency of the coal industry chain in China. The residts show that the efficiency of the national coal industry chain during 2012-2015 was on steady increase, and that the pure technical efficiency is the main factor affecting the efficiency of the coal industry chain in China.
机译:煤炭行业在中国经济发展过程中起着非常重要的作用。 煤炭产业链的有效运行是煤炭循环经济发展的重要基础。 在本文中,我们主要讨论了三种类型的煤炭工业链,并建立了一种基于DEA理论的煤炭产业链效率的模型。 然后通过在2012 - 2015年在全国各共28个省和城市使用煤炭行业数据,我们衡量了中国煤炭产业链的效率。 该检修表明,2012 - 2015年国家煤炭产业链的效率稳步增长,纯技术效率是影响中国煤炭产业链效率的主要因素。

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