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Improving weak efficiency frontiers in the fuzzy data envelopment analysis models

机译:在模糊数据包络分析模型中改善弱效率边界

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摘要

Evaluating the performance of activities or organization by common data envelopment analysis models requires crisp input/output data. However, the precise inputs and outputs of production processes cannot be always measured. Thus, the data envelopment analysis measurement containing fuzzy data, called "fuzzy data envelopment analysis", has played an important role in the evaluation of efficiencies of real applications. This paper focuses on the fuzzy CCR model and proposes a new method for determining the lower bounds of fuzzy inputs and outputs. This improves the weak efficiency frontiers of the corresponding production possibility set. Also a numerical example illustrates the capability of the proposed method.
机译:通过通用数据包络分析模型评估活动或组织的绩效需要清晰的输入/输出数据。但是,无法始终测量生产过程的精确输入和输出。因此,包含模糊数据的数据包络分析测量被称为“模糊数据包络分析”,在评估实际应用的效率方面发挥了重要作用。本文针对模糊CCR模型,提出了一种确定模糊输入输出下界的新方法。这改善了相应生产可能性集的弱效率边界。数值示例也说明了所提出方法的能力。

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