Efficiency evaluation in hybrid two-stage network DEA with non-discretionary inputs and shared discretionary inputs

IF 0.9 Q3 COMPUTER SCIENCE, THEORY & METHODS
Elham Abdali, K. Moradipour, Sanaz Asadi-Rahmati, Maryam Fallah
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引用次数: 0

Abstract

In the network DEA models, it is assumed that all inputs are varied according to decisions of manager. However, in many cases, there are non-discretionary inputs that are beyond the control of a sub-DMUs and DMUs management in the efficiency evaluation, and this problem has not been discussed considerably in network DEA so far. This study proposed a multiplier model to treat a two-stage network system comprised of three sub-DMUs in hybrid form with non- discretionary inputs and shared discretionary inputs, while this issue is not sufficiently rich in the network systems, here, it is being analysed seriously in this study. The proposed model simulate precisely the parallel-series internal structure of network system with non-discretionary inputs and shared discretionary inputs between sub-DMUs, and also uses synthetically additive and multiplicative DEA approaches for evaluating the efficiency of two-stage network system. Finally, a practical example demonstrates the feasibility of the proposed model.
非任意输入和共享任意输入混合两阶段网络DEA效率评价
在网络DEA模型中,假设所有的输入根据管理者的决策而变化。然而,在很多情况下,在效率评价中存在非自由裁量的投入,超出了子决策单元和决策单元管理的控制范围,这一问题目前在网络DEA中还没有得到充分的讨论。本研究提出了一个乘数模型来处理由三个非自由裁量投入和共享自由裁量投入混合形式的子dmu组成的两阶段网络系统,而这个问题在网络系统中还不够丰富,在这里,本研究正在认真分析。该模型精确地模拟了具有非任意输入和子dmu之间共享任意输入的网络系统的并联串联内部结构,并采用综合加性和乘性DEA方法对两级网络系统的效率进行了评价。最后,通过实例验证了所提模型的可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International Journal of Computer Mathematics: Computer Systems Theory
International Journal of Computer Mathematics: Computer Systems Theory Computer Science-Computational Theory and Mathematics
CiteScore
1.80
自引率
0.00%
发文量
11
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