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Title of article :
Measurement of Inefficiency Slacks in Network Data Envelopment Analysis
Author/Authors :
Azizi, Hossein Department of Applied Mathematics - Parsabad Moghan Branch, Islamic Azad University, Parsabad Moghan , Amirteimoori, Alireza Department of Applied Mathematics - Rasht Branch, Islamic Azad University, Rasht , Kordrostami, Sohrab Department of Applied Mathematics - Lahijan Branch, Islamic Azad University, Lahijan
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Abstract :
This article presents a set of additive DEA models (optimistic and pessimistic) to measure inefficiency slacks in which observations are shown with crisp numbers. In the concept of pessimistic efficiency, DMU with balanced input and output data can be scored as efficient. Hence, it is an inevitable necessity to integrate different performance sizes in order to achieve an overall performance assessment for each DMU. An example of resin manufacturer companies in Iran is presented to explain how to calculate the system and process inefficiency slacks.
Keywords :
Data envelopment analysis , inefficiency slacks , series systems , optimistic and pessimistic viewpoints , overall performance
Journal title :
نظريه تقريب و كاربردهاي آن
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