Network-based method for ranking of efficient units in two-stage DEA models / J. S. Liu in Journal of the operational research society (JORS), Vol. 63 N° 8 (Août 2012)  

Public ISBD [article]  inJournal of the operational research society (JORS) > Vol. 63 N° 8 (Août 2012) . - pp. 1153–1164 Titre : Network-based method for ranking of efficient units in two-stage DEA models Type de document : texte imprimé Auteurs : J. S. Liu, Auteur ; W.-M. Lu, Auteur Année de publication : 2012 Article en page(s) : pp. 1153–1164 Note générale : Operational research Langues : Anglais (eng) Mots-clés : Data envelopment analysis Two-stage DEA Network-based ranking method Network centrality Index. décimale : 001.424 Résumé : This study presents a methodology that is able to further discriminate the efficient decision-making units (DMUs) in a two-stage data envelopment analysis (DEA) context. The methodology is an extension of the single-stage network-based ranking method, which utilizes the eigenvector centrality concept in social network analysis to determine the rank of efficient DMUs. The mathematical formulation for the method to work under the two-stage DEA context is laid out and then applied to a real-world problem. In addition to its basic ranking function, the exercise highlights two particular features of the method that are not available in standard DEA: suggesting a benchmark unit for each input/intermediate/output factor, and identifying the strengths of each efficient unit. With the methodology, the value of DEA greatly increases. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v63/n8/abs/jors2011132a.html [article] Network-based method for ranking of efficient units in two-stage DEA models [texte imprimé] / J. S. Liu, Auteur ; W.-M. Lu, Auteur . - 2012 . - pp. 1153–1164. Operational research Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 63 N° 8 (Août 2012) . - pp. 1153–1164 Mots-clés : Data envelopment analysis Two-stage DEA Network-based ranking method Network centrality Index. décimale : 001.424 Résumé : This study presents a methodology that is able to further discriminate the efficient decision-making units (DMUs) in a two-stage data envelopment analysis (DEA) context. The methodology is an extension of the single-stage network-based ranking method, which utilizes the eigenvector centrality concept in social network analysis to determine the rank of efficient DMUs. The mathematical formulation for the method to work under the two-stage DEA context is laid out and then applied to a real-world problem. In addition to its basic ranking function, the exercise highlights two particular features of the method that are not available in standard DEA: suggesting a benchmark unit for each input/intermediate/output factor, and identifying the strengths of each efficient unit. With the methodology, the value of DEA greatly increases. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v63/n8/abs/jors2011132a.html

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