确定任意投入-产出组合规模弹性的DEA模型被引量：4

A DEA Model of Determining the Scale Elasticity in Any Input-Output Combination

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摘要本文探讨数据包络分析(DEA)对规模收益的定量分析。过去的研究文献只涉及全输入组合对全输出组合的产出弹性。本文通过建立一般模型来计算任意输入组合对任意输出组合的产出弹性,从而可以确定在产出弹性中占主导地位的最佳投入组合。按照最佳投入组合来扩展规模可避免盲目投资和浪费资源,达到以最小投入获取最大产出的效用。 This paper discusses the estimation of returns to scale using data envelopment analysis. The previous researches mainly focus on calculating the scale elasticity with the same proportion changes of entire output and input combination. By introducing a more general model, it is possible to calculate the scale elasticity of any input- output combination. Based on this model, the key input components, which are in the dominant position to determine scale elasticity, can be determined. The investment of expanding input resources can be used in a more efficient way if only the key input components are expanded. With the best investment combination, we may receive maximum output utility with minimum input.

作者蓝伯雄鲁国华

机构地区清华大学经济管理学院

出处《中国管理科学》 CSSCI 2006年第6期34-39,共6页 Chinese Journal of Management Science

关键词数据包络分析产出弹性规模收益最佳投入组合 DEA scale elasticity returns to scale best investment combination

分类号 C931 [经济管理—管理学]

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