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Here, we consider the problem of aggregation of efficiency and productivity indices. We will summarize some of the … existing results and will derive new results for aggregation of Hicks-Moorsteen productivity indices. …
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DEA models help a DMU to detect its (in-)efficiency and to improve activities, if necessary. Efficiency is only one … economic aim for a decision-maker; however, up- or downsizing might be a second one. Improving efficiency is the main topic in … management of a DMU primarily focuses on technical efficiency but rather is interested in gaining scale effects. In this paper, a …
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