malmquist productivity index for two-stage structures and its applications in bank branches
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abstract
this study uses the data envelopment analysis (dea) to assess the progress/regression of decision-making units (dmus) having a two-stage structure. the progress/regression of these dmu can be assessed in the first stage, the second stage, and the whole system. in the first stage, the progress/regression of bank branches in collecting resources and in the second stage their progress/regression in allocating the resources as well as gaining profit are calculated, and the combination of both types of data is ultimately analyzed. the progress/regression is calculated using two separate indices: the the malmquist indexand the meta-malmquist index. this study applied the proposed models to 20 branches of a commercial bank with two-stage structure. the obtained results were analyzed using gams.
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Journal title:
international journal of industrial mathematicsجلد ۳، شماره ۴، صفحات ۳۲۵-۳۳۵
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