Geodesic
Ranking units and determining dominance relations in the cost efficiency analysis
Azizi, Roza1 ; Matin, Reza Kazemi1 ; Saen, Reza Farzipoor2
1 Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran
2 Department of Management, Karaj Branch, Islamic Azad University, Karaj, Iran
RAIRO - Operations Research - Recherche Opérationnelle, Tome 49 (2015) no. 5, pp. 879-896

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The objective of this paper is to develop new models to compare cost efficiency of decision making units (DMUs) in all feasible input/output weights. Our focus is to determine cost ranking intervals and cost dominance relations in which the former show the best and the worst cost ranking of a special DMU in comparison with the other ones, and the latter specify the DMUs whose cost efficiencies are dominated by one special DMU. Finally, some new results on relevance of computed cost ranking intervals and cost dominance relations are presented.

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DOI : 10.1051/ro/2015034
Classification : 90c11, 90c05, 90c90
Keywords: Data envelopment analysis (DEA), cost efficiency, ranking, dominance relation

Azizi, Roza 1 ; Matin, Reza Kazemi 1 ; Saen, Reza Farzipoor 2

1 Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran
2 Department of Management, Karaj Branch, Islamic Azad University, Karaj, Iran 
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     title = {Ranking units and determining dominance relations in the cost efficiency analysis},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {879--896},
     publisher = {EDP-Sciences},
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Azizi, Roza; Matin, Reza Kazemi; Saen, Reza Farzipoor. Ranking units and determining dominance relations in the cost efficiency analysis. RAIRO - Operations Research - Recherche Opérationnelle, Tome 49 (2015) no. 5, pp. 879-896. doi: 10.1051/ro/2015034

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