链式网络DEA模型

被引：40

作者：

魏权龄

庞立永

机构：

[1] 中国人民大学经济学院

来源：

数学的实践与认识 | 2010年 / 40卷 / 01期

关键词：

DEA; 网络DEA; 有效性; 链式网络DEA模型;

D O I：

暂无

中图分类号：

C934 [决策学];

学科分类号：

摘要：

数据包络分析(DEA)是评价决策单元(DMU)相对有效性的一种工具,现已得到广泛的应用.传统的DEA不考虑系统内部结构,而是将系统作为一个"黑箱"来度量效率.针对多阶段网络结构提出一个新的网络DEA模型—链式网络DEA模型.研究网络决策单元的网络DEA有效性及各个阶段的弱DEA有效性之间的关系,给出了网络DEA有效的充分必要条件.若网络决策单元不是网络DEA有效的,根据模型可以指出系统在哪些阶段是无效的.

引用

页码：213 / 222

页数：10

共 12 条

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