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<p>Traditional data envelopment analysis (DEA) models are concerned with measuring the relative efficiency of units with respect to multiple inputs and multiple outputs. These models assume real-valued inputs and outputs. In these models, the role of the measures in relation to the input and/or output is known, and these models also neglect the intervening or linking activities. However, in the real world, there are situations where some inputs and/or outputs can only take integer values, and a measure can also play the role of either an input or an output. In this paper, we propose network DEA models that can handle intermediate products when some inputs and/or outputs have integer values and flexible factors are available.</p>

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Network DEA models in the presence of integer-valued data and flexible factors: a slacks-based approach

  • 期刊论文

  • 发表日期：

    2025年10月14日

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  • Zahra Moazenzadeh,
  • Saber Saati,
  • Reza Farzipoor Saen,
  • Reza Kazemi Matin,
  • Sevan Sohraiee

摘要

Traditional data envelopment analysis (DEA) models are concerned with measuring the relative efficiency of units with respect to multiple inputs and multiple outputs. These models assume real-valued inputs and outputs. In these models, the role of the measures in relation to the input and/or output is known, and these models also neglect the intervening or linking activities. However, in the real world, there are situations where some inputs and/or outputs can only take integer values, and a measure can also play the role of either an input or an output. In this paper, we propose network DEA models that can handle intermediate products when some inputs and/or outputs have integer values and flexible factors are available.