Ordered Weighted Disagreement Functions

I. Contreras ()
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I. Contreras: Pablo de Olavide University

Group Decision and Negotiation, 2012, vol. 21, issue 3, No 6, 345-361

Abstract: Abstract In this paper a preference aggregation procedure is proposed for those cases in which decision-makers express their preferences by means of a ranking of alternatives. Among the most commonly applied methods for this purpose are those based on distance measures between individual and collective preferences, which look for the solution that minimizes the disagreement across decision-makers. Some models based on the minimization of the distance between rankings include weights to adjust the relative importance of the agents in the final decision, although in those cases, the weights are related with an a priori evaluation of the individuals and not with the behaviour of the agents in the group decision making process. In the model proposed here, a weighted disagreement function whose emphasis is on the ordered position of the individuals’ disagreement values is developed. In order to solve the problem, a mixed-integer linear programming model is constructed.

Keywords: Group decision; Ordered weighted measure; Linear orders; Goal programming (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1007/s10726-010-9210-x

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