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Super-efficiency infeasibility and zero data in DEA: An alternative approach

机译:DEA中的超效率不可行和零数据:另一种方法

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The pitfall of infeasibility problem in most VRS radial super-efficiency models is a hot issue in data envelopment analysis (DEA) studies. Lee et al. (2012) [European Journal of Operational Research 216 (2012) 429–433] proposed a method to address the problem of infeasibility arises from zero input data in VRS super-efficiency DEA model. In this paper, we point out that their method can be replaced with an alternative approach and the main results are obtained identically from two methods. The proposed alternative method can also overcome the infeasibility problem caused by zero data in super-efficiency DEA models and have several advantages compared to Lee’s model. Meanwhile, two numerical examples are utilized to illustrate validity and applicability of our alternative model.
机译:在大多数VRS径向超效率模型中,不可行问题的陷阱是数据包络分析(DEA)研究中的一个热门问题。 Lee等。 (2012)[European Journal of Operational Research 216(2012)429-433]提出了一种方法来解决VRS超高效DEA模型中零输入数据引起的不可行问题。在本文中,我们指出可以用另一种方法代替它们的方法,并且从两种方法获得的主要结果相同。所提出的替代方法还可以克服在超高效DEA模型中由零数据引起的不可行问题,并且与Lee模型相比具有多个优点。同时,利用两个数值例子来说明我们替代模型的有效性和适用性。

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