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测算具有松驰技术效率的DEA方法 被引量:8

DEA for Measuring Technical Efficiency Associated with Slacks
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摘要 首先介绍并总结了现有技术效率的主要测算方法 .在分析其局限性的基础上 ,定义了一种同时考虑投入和产出松驰与权重的技术效率指数 .借助 DEA思想 ,提出了一种扩展 DEA模型 ,用于测算该技术效率指数 ,进一步探讨了如何识别决策单元的技术有效性和如何改进非技术有效决策单元等问题 .事实上 ,其它技术效率测算仅仅是本文方法的特例 ,而且在测算技术效率的同时就可以根据技术效率是否为 This paper presents the existing measures of technical efficiency. Taking the limitations of these approaches into its considerations, it defines a new index of technical efficiency considering slacks on both input and output. Following data envelopment analysis(DEA), it develops an extension to DEA that is capable to measure technical efficiency defined in this paper. It also discusses about how to identify efficient decision making unit (DMU) and to improve DMU being inefficient.
作者 李光金 阎洪
出处 《系统工程理论与实践》 EI CSCD 北大核心 2002年第2期67-73,83,共8页 Systems Engineering-Theory & Practice
基金 国家自然科学基金 ( 7980 0 0 2 3) 香港理工大学研究基金 ( A-PB6 4 )
关键词 技术效率 数据包络分析 决策单元 松驰 数量经济学 测算 technical efficiency data envelopment analysis decision making unit slack
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参考文献9

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