Some clarifications on the DEA clustering approach

Some clarifications on the DEA clustering approach

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Article ID: iaor20118275
Volume: 215
Issue: 2
Start Page Number: 498
End Page Number: 501
Publication Date: Dec 2011
Journal: European Journal of Operational Research
Authors: , ,
Abstract:

This paper clarifies the role of alternative optimal solutions in the clustering of multidimensional observations using data envelopment analysis (DEA). The paper shows that alternative optimal solutions corresponding to several units produce different groups with different sizes and different decision making units (DMUs) at each class. This implies that a specific DMU may be grouped into different clusters when the corresponding DEA model has multiple optimal solutions.

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