Congestion analysis in DEA inputs under weight restrictions / A. Davoodi 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. 1089–1097 Titre : Congestion analysis in DEA inputs under weight restrictions Type de document : texte imprimé Auteurs : A. Davoodi, Auteur ; H. Zhiani Rezai, Auteur ; R. Fallahnejad, Auteur Année de publication : 2012 Article en page(s) : pp. 1089–1097 Note générale : Operational research Langues : Anglais (eng) Mots-clés : Data envelopment analysis Weight restrictions Congestion Index. décimale : 001.424 Résumé : Data envelopment analysis (DEA), which is used to determine the efficiency of a decision-making unit (DMU), is able to recognize the amount of input congestion. Moreover, the relative importance of inputs and outputs can be incorporated into DEA models by weight restrictions. These restrictions or a priori weights are introduced by the decision maker and lead to changes in models and efficiency interpretation. In this paper, we present an approach to determine the value of congestion in inputs under the weight restrictions. Some discussions show how weight restrictions can affect the congestion amount. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v63/n8/abs/jors2011104a.html [article] Congestion analysis in DEA inputs under weight restrictions [texte imprimé] / A. Davoodi, Auteur ; H. Zhiani Rezai, Auteur ; R. Fallahnejad, Auteur . - 2012 . - pp. 1089–1097. Operational research Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 63 N° 8 (Août 2012) . - pp. 1089–1097 Mots-clés : Data envelopment analysis Weight restrictions Congestion Index. décimale : 001.424 Résumé : Data envelopment analysis (DEA), which is used to determine the efficiency of a decision-making unit (DMU), is able to recognize the amount of input congestion. Moreover, the relative importance of inputs and outputs can be incorporated into DEA models by weight restrictions. These restrictions or a priori weights are introduced by the decision maker and lead to changes in models and efficiency interpretation. In this paper, we present an approach to determine the value of congestion in inputs under the weight restrictions. Some discussions show how weight restrictions can affect the congestion amount. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v63/n8/abs/jors2011104a.html

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