Average revenue efficiency and optimal scale sizes in stochastic data envelopment analysis: A case study of post offices
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Estimating the revenue efficiency of entities under evaluation is one of the most important evaluations that can give valuable information about organizations provided that the output prices are known . In this research, a new definition of optimal scale size ( OSS ) based on maximizing the average revenue efficiency (ARE) is presented . Also , the ARE is defined in both convex and non - convex sets, which is independent of returns to scale and the assumption that the vector of input-output prices of units is uniform . Next, due to the presence of uncertain data in many real applications, the introduced ARE model is extended to evaluate systems with random inputs and outputs , and approaches are provided to calculate it . Finally , the proposed method is used in an experimental example and the ARE is calculated for a data set of postal areas in Iran .
Keywords:
Language:
Persian
Published:
Journal of Industrial Management Studies, Volume:20 Issue: 66, 2022
Pages:
73 to 110
https://www.magiran.com/p2531981
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