On VEA, Production Trade-offs and Weight Restrictions

Panagiotis Ravanos () and Giannis Karagiannis

Discussion Paper Series from Department of Economics, University of Macedonia

Abstract: In this paper we explore the relationship between Value Efficiency Analysis (VEA) and Data Envelopment Analysis (DEA) models including production trade-offs or weights restrictions. In particular, we show that the VEA model is equivalent to a DEA model including production trade-offs for which the trade-off coefficient vectors are equal to either (i) the negative of the input and output quantities of the Decision Making Units (DMUs) selected as the Most Preferred Solution (MPS) in VEA, under constant returns to scale, or (ii) the deviations of all evaluated DMUs’ input and output quantities from those of the DMUs selected as the MPS, irrespectively of the returns-to-scale assumption. These trade-offs are the dual forms of type II Assurance Region weight restrictions. We then show that a similar equivalence holds between pure output or input VEA and DEA models including trade-offs, if the above trade-offs are respectively considered only for outputs or inputs. In this case the trade-offs are the dual forms of type I Assurance Region weight restrictions.

Keywords: Data Envelopment Analysis; Value Efficiency Analysis; Weight Restrictions; Production Trade-Offs. (search for similar items in EconPapers)
Date: 2022-06, Revised 2022-06
New Economics Papers: this item is included in nep-eff
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Citations: View citations in EconPapers (1)

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Journal Article: On VEA, production trade-offs and weights restrictions (2023)
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Persistent link: https://EconPapers.repec.org/RePEc:mcd:mcddps:2022_04

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