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DEA-Based Approach to Evaluate the Efficiency of Non-Homogeneous Service Locations.

机译:基于DEA的非均匀服务位置效率评估方法。

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摘要

This study aims at evaluating the performance of a company, 'XYZ Company', that has 115 service locations. Because of its ability of handling large numbers of inputs and outputs, and removing the need of predefining the factors' weights, Data Envelopment Analysis (DEA) is used. DEA is benchmark tool that measures the efficiency of entities with respect to each other by assessing their performance of utilizing inputs to produce outputs. Researchers have developed several DEA models, all of which have different characteristics.;A main assumption of DEA is that the entities are homogeneous---i.e. operating under similar conditions, which is not applicable sometimes. Thus, various approaches have been introduced to relax the homogeneity assumption. In this study, we propose an approach that estimates the efficiency over some stages, obtains efficiency scores from each stage, and then calculates the final weighted score by assigning a higher weight to the stage that represents the actual conditions of the entity more clearly.;We apply three DEA models, utilizing the proposed approach to overcome the entities' heterogeneity, to the data set of XYZ Company. Then, we compare the results of the three models, analyze the efficiency scores of the 115 service locations, and provide some major findings.
机译:这项研究旨在评估拥有115个服务地点的“ XYZ公司”的绩效。由于其能够处理大量输入和输出,并且无需预先定义因素的权重,因此使用了数据包络分析(DEA)。 DEA是基准工具,通过评估实体利用投入产生产出的绩效来衡量各个实体之间的效率。研究人员已经开发了几种DEA模型,所有这些模型都有不同的特征; DEA的主要假设是实体是同质的-即在类似条件下运行,有时不适用。因此,已经引入了各种方法来放松同质性假设。在这项研究中,我们提出了一种方法,该方法可以估计某些阶段的效率,从每个阶段获取效率得分,然后通过为代表该阶段的实体的实际状况分配更高的权重来计算最终的加权得分。我们利用提出的方法克服实体的异质性,将三个DEA模型应用于XYZ公司的数据集。然后,我们比较这三个模型的结果,分析115个服务地点的效率得分,并提供一些主要发现。

著录项

  • 作者

    Asiri, Amer H.;

  • 作者单位

    Lehigh University.;

  • 授予单位 Lehigh University.;
  • 学科 Industrial engineering.;Engineering.
  • 学位 M.S.
  • 年度 2016
  • 页码 41 p.
  • 总页数 41
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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