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采用DEA方法中的C~2R模型,选取20家煤炭行业上市公司作为样本,分析了我国主要煤炭上市公司2012年的经营绩效状况。结果表明,我国煤炭上市公司大部分未达到DEA有效,其主要原因是资产和人员的产出不足。
Using C ~ 2R model in DEA method, 20 listed companies in the coal industry were selected as samples to analyze the operating performance of the major coal listed companies in China in 2012. The results show that most of the listed coal companies in China have not reached the DEA effective, mainly due to insufficient output of assets and personnel.