2006
DOI: 10.1016/j.cor.2005.02.031
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Data envelopment analysis of integer-valued inputs and outputs

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Cited by 103 publications
(75 citation statements)
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“…As pointed out by Kuosmanen and Kazemi Matin (2009), simply rounding the optimal solution to the nearest whole numbers can result in misleading efficiency assessment and reference targets. Researchers including Lozano and Villa (2006) and Kuosmanen and Kazemi Matin (2009) …”
Section: Integer Super-efficiencymentioning
confidence: 99%
“…As pointed out by Kuosmanen and Kazemi Matin (2009), simply rounding the optimal solution to the nearest whole numbers can result in misleading efficiency assessment and reference targets. Researchers including Lozano and Villa (2006) and Kuosmanen and Kazemi Matin (2009) …”
Section: Integer Super-efficiencymentioning
confidence: 99%
“…Initially, Banker and Morey (1986) incorporated the categorical variable into DEA formulation, to which Kamakura (1988) contributed a variation to its mixed integer linear programming formulation (MILP), and subsequently, Rousseau and Semple (1993) improved over the shortcomings in the Kamakura's method. More recently, Lozano and Villa (2006) pioneered work on integer inputs and outputs in DEA by incorporating integrality constraints to the DEA framework and developing the MILP procedure for solving DEA in integer values. However, their model violated the DEA properties of convexity, free disposability, and returns to scale.…”
Section: Introductionmentioning
confidence: 99%
“…ð1Þ the original LVM model proposed by Lozano and Villa (2006) is (hereafter referred to as, LVM-R):…”
Section: Introductionmentioning
confidence: 99%