| 我国煤炭行业上市公司生产效率及影响因素研究 |
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| 引用本文： | 苗敬毅,蔡呈伟. 我国煤炭行业上市公司生产效率及影响因素研究[J]. 煤炭经济研究, 2012, 0(7): 57-60 |
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| 作者姓名： | 苗敬毅 蔡呈伟 |
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| 作者单位： | 山西财经大学管理科学与工程学院 |
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| 基金项目： | 国家自然科学基金资助项目(71173141) |
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| 摘 要： | 使用VRS-DEA和Tobit-DEA2种模型对我国煤炭行业26家上市公司进行技术效率、松弛变量和影响因子分析,得出我国煤炭行业上市公司技术效率偏低、规模效益递增、投入过量等结论。并对出现不同问题的公司进行分析,有针对性地提出了解决方案。
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| 关 键 词： | DEA Tobit 技术效率 煤炭上市公司 |
Study on Production Efficiency and Influence Factors of Listing Companies in China Coal Industry |
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| MIAO Jing yi, CAI Cheng wei. Study on Production Efficiency and Influence Factors of Listing Companies in China Coal Industry[J]. Coal Economic Research, 2012, 0(7): 57-60 |
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| Authors: | MIAO Jing yi CAI Cheng wei |
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| Affiliation: | (School of Management Science and Engineering, Shanxi University of Finance and Economics, Taiyuan 030006 , China) |
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| Abstract: | The VRS-DEA and Tobit-DEA models were applied to the analysis on the technical efficiency, relaxation variation and influence factors of 26 listing companies in the national coal industry. The conclusion was obtained on a low technical efficiency, scale benefits overlying, over investment and others in the listing companies of the coal industry in China. An analysis was conducted on the companies with different problems and a solution was provided relatively. |
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| Keywords: | DEA Tobit technical efficiency coal listing companies |
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