Research Proposal
Data Envelopment Analysis (DEA) was introduced for the first time by Charnes, Cooper and Rhodes in 1979 and converted to one of the most popular methods of performance measurement in Management Science. For instance, more than 1800 articles in refereed journals about DEA have been published until August 2001. 1100 of these have appeared after 1995 that indicates an increase of more than %150(Gattoufi et al 2004).It has been extensively applied in educational, banking, retailing and health care systems (see reference list).
EDA measures the relative efficiency of comparable entities that is called Decision Making Unites (DMUs). These unites have the same activities to transform the relatively similar inputs to similar outputs. The purpose of DEA is to find efficient frontiers for a set of available DMUs. An assumed DMU is efficient if there is no any DMU that can produce more outputs with the consumption of a certain amount of inputs or produce a certain......
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