Efficiency intervals, rank intervals and dominance relations of decision-making units with fixed-sum outputs
European Journal of Operational Research（2021）
Abstract
•The equilibrium efficient frontier is not unique.•We evaluate based on all feasible equilibrium efficient frontiers.•Ranking interval and dominance relation are used as tools to the evaluation.•We illustrate our approach by revisiting two data sets from literature.
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Key words
Data envelopment analysis (DEA),Fixed-sum outputs,Efficiency interval,Rank interval,Dominance relations
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