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煤炭行业作为我国的基础产业,关乎国计民生,本文利用了DEA(数据包络分析)这一工具,分析了我国煤炭企业上市公司的相对效率及规模效益,并指出问题所在,供决策单位参考。
As a basic industry in our country, the coal industry is related to national economy and people’s livelihood. This paper uses the DEA (Data Envelopment Analysis) tool to analyze the relative efficiency and economies of scale of listed companies in coal enterprises in our country and points out the problems for reference of decision-making units.