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Overall profit Malmquist productivity index under data uncertainty

机译:数据不确定性下的整体利润Malmquist生产力指数

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The calculation of the overall profit Malmquist productivity index (MPI) requires precise and accurate information on the input, output, input-output prices of each decision making unit (DMU). However, in many situations, some inputs and/or outputs and input-output prices are imprecise. As such, we consider the overall profit MPI problem when the input, output, and input-output prices are imprecise and vary over intervals, showing that method (MCM 54: 2827–2838, 2011) has some shortfalls. To remedy these shortfalls, we propose another method for measuring the overall profit MPI when the inputs, outputs, and price vectors vary over intervals. That is, to calculate the overall profit efficiency intervals, cone-ratio data envelopment analysis models can be applied to the incorporated information as weight restrictions. Further, we provide a new approach to calculating the upper bound of the overall profit efficiency of each DMU. A numerical example is provided for illustrating the proposed method.
机译:整体利润MalmQuist生产率指数(MPI)的计算需要精确和准确的信息关于每个决策单元(DMU)的输入,输出,输入 - 输出价格(DMU)。但是,在许多情况下,一些输入和/或输出和输入 - 输出价格不精确。因此,我们考虑整体利润MPI问题当输入,输出和输入 - 输出价格不精确并变化间隔时,显示该方法(MCM 54:2827-2838,2001,20012)的缺点。为了解决这些缺点,我们提出了另一种用于在输入,输出和价格向量变化时测量整体利润MPI的方法。也就是说,为了计算整体利润效率间隔,锥形比率数据包络分析模型可以应用于作为权重限制的合并信息。此外,我们提供了计算每个DMU的整体利润效率的上限的新方法。提供了一个数字示例,用于说明所提出的方法。

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