Theory of integer-valued data envelopment analysis under alternative returns to scale axioms

Reza Kazemi Matin and Timo Kuosmanen

Omega, 2009, vol. 37, issue 5, 988-995

Abstract: Kuosmanen and Kazemi Matin [Theory of integer valued data envelopment analysis. European Journal of Operational Research 2009;192:658-67] developed an axiomatic foundation for a data envelopment analysis (DEA) model that assumes subsets of input and output variables to be integer valued. In this paper we extend and generalize the axiomatic foundation for the integer DEA under variable, non-decreasing and non-increasing returns to scale. These model variants are achieved by introducing new axioms of natural convexity and natural augmentability. We also develop mixed integer linear programming (MILP) formulations for computing efficiency scores in these environments. An empirical example illustrates the approach.

Keywords: Data; envelopment; analysis; Efficiency; Mixed; integer; linear; programming; Production; theory (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (18)

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