Measuring dot com efficiency using a combined DEA and GRA approach / Bruce Ho, C.-T. in Journal of the operational research society (JORS), Vol. 62 N° 4 (Avril 2011)  

Public ISBD [article]  inJournal of the operational research society (JORS) > Vol. 62 N° 4 (Avril 2011) . - pp. 776–783 Titre : Measuring dot com efficiency using a combined DEA and GRA approach Type de document : texte imprimé Auteurs : Bruce Ho, C.-T., Auteur Année de publication : 2011 Article en page(s) : pp. 776–783 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Dot com Internet Efficiency Grey relation analysis (GRA) Data envelopment (DEA) Index. décimale : 001.424 Résumé : This paper adopts two mathematical approaches, data envelopment analysis (DEA) and grey relation analysis (GRA) to measure DEA efficiency using the sample of 69 listed US internet companies. A total of 40 indicators were initially selected for the efficiency evaluation, with 21 related to DEA-input indicators and 19 to DEA-output indicators. Eight representative indicators selected using GRA are subsequently used as the input and output indicators in the DEA analysis. The empirical result also shows that 10 out of 69 dot com firms are CCR-efficient in DEA Efficiency. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n4/abs/jors20103a.html [article] Measuring dot com efficiency using a combined DEA and GRA approach [texte imprimé] / Bruce Ho, C.-T., Auteur . - 2011 . - pp. 776–783. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 4 (Avril 2011) . - pp. 776–783 Mots-clés : Dot com Internet Efficiency Grey relation analysis (GRA) Data envelopment (DEA) Index. décimale : 001.424 Résumé : This paper adopts two mathematical approaches, data envelopment analysis (DEA) and grey relation analysis (GRA) to measure DEA efficiency using the sample of 69 listed US internet companies. A total of 40 indicators were initially selected for the efficiency evaluation, with 21 related to DEA-input indicators and 19 to DEA-output indicators. Eight representative indicators selected using GRA are subsequently used as the input and output indicators in the DEA analysis. The empirical result also shows that 10 out of 69 dot com firms are CCR-efficient in DEA Efficiency. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n4/abs/jors20103a.html

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