Distance from Consensus: A Theme and Variations

Tommi Meskanen and Hannu Nurmi
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Tommi Meskanen: University of Turku
Hannu Nurmi: University of Turku

A chapter in Mathematics and Democracy, 2006, pp 117-132 from Springer

Abstract: Abstract Social choice theory deals with aggregating individual opinions into social choices. Over the past decades a large number of choice methods have been evaluated in terms of various criteria of performance. We focus on methods that can be viewed as distance minimizing ones in the sense that they can be analyzed in terms of a goal state of consensus and the methods themselves can be seen as minimizing the distance of the observed profile from that consensus. The methods, thus, provide a way of measuring the degree of disagreement prevailing in the profile.

Keywords: Voting systems; metrics; consensus; outranking; tournament (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1007/3-540-35605-3_9

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