| 刘文君,向冰.我国核电上市公司技术效率研究——基于超效率DEA模型的实证分析[J].,2016,17(3):5-9 |
| 我国核电上市公司技术效率研究——基于超效率DEA模型的实证分析 |
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| 投稿时间：2016-04-02 |
| DOI： |
| 中文关键词: 超效率DEA模型 技术效率 Tobit模型 核电上市公司 |
| English Keywords:SE-DEA model technical efficiency tobit model nuclear energy listed companies |
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| 摘要点击次数: 1234 |
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| 中文摘要: |
| 在能源枯竭与环境污染的双重压力下,提高核能效率至关重要。文章从微观上市公司层面对核能技术效率进行研究。运用超效率DEA模型对我国核电上市公司的2009—2014年的技术效率进行测算,在数据处理上创新性地把宏观层面的指标数据平减运用于微观层面。在此基础上运用Tobit模型从财务及非财务两个方面的影响因素对我国核电上市公司技术效率的影响因素进行研究并提出政策建议。结果表明:短期偿债能力、盈利能力、公司规模对我国核电上市公司技术效率有显著的正的影响。长期偿债能力对我国核电上市公司技术效率有显著的负的影响；营运能力、员工教育程度、公司技术构成、研发能力对我国核电上市公司技术效率无显著影响。所以,我国核电上市公司应适当降低公司的长期负债,适当提高流动负债,提高公司的盈利能力,扩大公司规模。 |
| English Summary: |
| Faced with environmental pollution and energy depletion, improving nuclear energy efficiency is essential. This article studies nuclear energy technology efficiency from listed companies. Use SE-DEA model to measure and analyze energy listed companies’ technical efficiency from 2009 to 2014. On this basis, use Tobit model to study factors of nuclear energy listed companies’ technical efficiency from financial and non-financial aspects. At last, give some suggestions. Studies show that:short-term solvency, profitability, company size have a significant positive impact on technical efficiency of energy listed companies, while long-term solvency has a significant negative impact. Operating capacity, education level, technical constitution, research and development capabilities have no significant impact. Therefore, nuclear energy listed companies should reduce the company's long-term liabilities appropriately, improve the company's current liabilities appropriately, improve the company's profitability and expand the size of the company. |
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