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Condorcet voting methods avoid the paradoxes of voting theory

Authors: Tiance Wang; John Sturm; Paul W. Cuff; Sanjeev R. Kulkarni;

Condorcet voting methods avoid the paradoxes of voting theory

Abstract

Democratically choosing a single preference from more than two candidate options is not a straightforward matter. In fact, voting theory has established a number of paradoxes which assert seemingly innocuous attributes to be incompatible. One of the most desirable attributes — independence of irrelevant alternatives — is proven by Arrow to be incompatible (in a worst-case sense) with nominal fairness constraint. Another theorem states that all voting systems will have opportunities for a voter to improve their outcome by voting contrary to their true preferences. What we show in this work is that Condorcet methods, which uniquely satisfy the independent of irrelevant alternatives property whenever possible, actually avoids these paradoxes both in practice (based on real data) and in theory (in a probabilistic sense).

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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