COOPERATIVE TWO-STAGE NETWORK DEA: A GOAL PROGRAMMING APPROACH

Abstract

In this study, we present a two-stage data envelopment analysis method dealing with eciency evaluation of decision making units with network structure. The key point of the study is that the suggested model optimizes the Black-Box and stages eciencies simultaneously with the aim of achieving the smallest possible gap between the aspiration levels.

Keywords

• Data envelopment analysis,two-stage eciency,multi-objective model,goal programming.

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