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dc.contributor.authorWei, Ching-Kuoen_US
dc.contributor.authorChen, Liang-Chihen_US
dc.contributor.authorLi, Rong-Kweien_US
dc.contributor.authorTsai, Chih-Hungen_US
dc.contributor.authorHuang, Hsiao-Lingen_US
dc.date.accessioned2014-12-08T15:21:23Z-
dc.date.available2014-12-08T15:21:23Z-
dc.date.issued2012-03-01en_US
dc.identifier.issn0957-4174en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.eswa.2011.10.001en_US
dc.identifier.urihttp://hdl.handle.net/11536/15205-
dc.description.abstractThe weight is one of the main issues of Data Envelopment Analysis (DEA), and relevant theoretical research indicates that many DEA mathematical models include redundant restraints on weight, resulting in underestimated efficiency, pseudo inefficiency, and difficulty in representing specific Input/Output relationships. This study proposes a context-dependent DEA-R model to address shortcomings resulting from redundant restraints on the weights of an efficient decision making unit (DMU), and converts the optimal weight to analyze the influences of redundant restraints on weights. The evaluation results of Taiwan medical centers show that the efficiency of the DMU is underestimated and pseudo inefficiency may occur due to redundant restraints on weight. Moreover, optimal weights are used as variables to conduct cluster analysis in order to determine the information of the weights. The results of cluster analysis indicate that it can assist DMUs in understanding the relationships between DMUs, and contribute to the development of a unique survival strategy for hospitals. (C) 2011 Elsevier Ltd. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectData Envelopment Analysisen_US
dc.subjectRedundant restraints on weighten_US
dc.subjectContext-dependenten_US
dc.subjectCluster analysisen_US
dc.subjectMedical centeren_US
dc.titleA study of optimal weights of Data Envelopment Analysis - Development of a context-dependent DEA-R modelen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.eswa.2011.10.001en_US
dc.identifier.journalEXPERT SYSTEMS WITH APPLICATIONSen_US
dc.citation.volume39en_US
dc.citation.issue4en_US
dc.citation.spage4599en_US
dc.citation.epage4608en_US
dc.contributor.department工業工程與管理學系zh_TW
dc.contributor.departmentDepartment of Industrial Engineering and Managementen_US
dc.identifier.wosnumberWOS:000299583700072-
dc.citation.woscount1-
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