Monotonicity in Condorcet Jury Theorem
AbstractConsider a committee of experts dealing with dichotomous choice problem, where the correctness probabilities are all greater than [InlineMediaObject not available: see fulltext.] We prove that, if a random subcommittee of odd size m is selected randomly, and entrusted to make a decision by majority vote, its probability of deciding correctly increases with m. This includes a result of Ben-Yashar and Paroush (2000), who proved that a random subcommittee of size m≥3 is preferable to a random single expert. Copyright Springer-Verlag 2005
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Bibliographic InfoArticle provided by Springer in its journal Social Choice and Welfare.
Volume (Year): 24 (2005)
Issue (Month): 1 (08)
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- Daniel Berend & Luba Sapir, 2007. "Monotonicity in Condorcet’s Jury Theorem with dependent voters," Social Choice and Welfare, Springer, vol. 28(3), pages 507-528, April.
- Ruth Ben-Yashar & Mor Zahavi, 2011. "The Condorcet jury theorem and extension of the franchise with rationally ignorant voters," Public Choice, Springer, vol. 148(3), pages 435-443, September.
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- Serguei Kaniovski, 2010. "Aggregation of correlated votes and Condorcet’s Jury Theorem," Theory and Decision, Springer, vol. 69(3), pages 453-468, September.
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