Measuring the Interval Industry Cost Efficiency Score in DEA

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TOHIDI GHASEM; Tohidnia Simin

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Journal Paper

Paper Information

Journal: Advances in Mathematical Finance and Applications Year:2022 | Volume:7 | Issue:2 Page(s): 379-390

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Information Journal Paper

Title

Measuring the Interval Industry Cost Efficiency Score in DEA

Author(s)

TOHIDI GHASEM | Tohidnia Simin | Issue Writer Certificate

Keywords

Data envelopment analysis

Industry cost efficiency

Interval data

Abstract

In this paper we extend the concept of "cost minimizing industry structure" and develop two DEA models for dealing with imprecise data. The main aim of this study is to propose an approach to compute the Industry cost efficiency measure in the presence of Interval data. We will see that the value obtained by the proposed approach is an interval value. The lower bound and upper bound of the interval Industry cost efficiency measure are computed and then decomposed into three components to examine the relationship between them and the lower and upper bounds of the individual interval cost efficiency measures. We also define the cost efficient organization of the industry as a set of DMUs, which minimizes the total cost of producing the interval industry output vector. In fact, this paper determines the optimal number of DMUs and the reallocation of the industry observed outputs among them. We hereby determine the effects of the optimal number of DMUs and the reallocation of outputs among them on the interval Industry cost efficiency measure. Finally, a numerical example will be presented to illustrate the proposed approach.

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APA: Copy

TOHIDI, GHASEM, & Tohidnia, Simin. (2022). Measuring the Interval Industry Cost Efficiency Score in DEA. ADVANCES IN MATHEMATICAL FINANCE AND APPLICATIONS, 7(2), 379-390. SID. https://sid.ir/paper/1031989/en

Vancouver: Copy

TOHIDI GHASEM, Tohidnia Simin. Measuring the Interval Industry Cost Efficiency Score in DEA. ADVANCES IN MATHEMATICAL FINANCE AND APPLICATIONS[Internet]. 2022;7(2):379-390. Available from: https://sid.ir/paper/1031989/en

IEEE: Copy

GHASEM TOHIDI, and Simin Tohidnia, “Measuring the Interval Industry Cost Efficiency Score in DEA,” ADVANCES IN MATHEMATICAL FINANCE AND APPLICATIONS, vol. 7, no. 2, pp. 379–390, 2022, [Online]. Available: https://sid.ir/paper/1031989/en

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