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The golden number and Fibonacci sequences in the design of voting structures

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  • Freixas, Josep
  • Kurz, Sascha

Abstract

Some distinguished types of voters, as vetoes, passers or nulls, as well as some others, play a significant role in voting systems because they are either the most powerful or the least powerful voters in the game independently of the measure used to evaluate power. In this paper we are concerned with the design of voting systems with at least one type of these extreme voters and with few types of equivalent voters. With this purpose in mind we enumerate these special classes of games and find out that its number always follows a Fibonacci sequence with smooth polynomial variations. As a consequence we find several families of games with the same asymptotic exponential behavior except for a multiplicative factor which is the golden number or its square. From a more general point of view, our studies are related with the design of voting structures with a predetermined importance ranking.

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  • Freixas, Josep & Kurz, Sascha, 2013. "The golden number and Fibonacci sequences in the design of voting structures," European Journal of Operational Research, Elsevier, vol. 226(2), pages 246-257.
    • Handle: RePEc:eee:ejores:v:226:y:2013:i:2:p:246-257
    DOI: 10.1016/j.ejor.2012.10.017
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    Cited by:

    1. Flavio Pressacco & Laura Ziani, 2018. "Proper strong-Fibonacci games," Decisions in Economics and Finance, Springer;Associazione per la Matematica, vol. 41(2), pages 489-529, November.
    2. Joaquín Pérez & José L. Jimeno & Estefanía García, 2015. "No Show Paradox and the Golden Number in Generalized Condorcet Voting Methods," Group Decision and Negotiation, Springer, vol. 24(3), pages 497-513, May.
    3. Josep Freixas & Marc Freixas & Sascha Kurz, 2017. "On the characterization of weighted simple games," Theory and Decision, Springer, vol. 83(4), pages 469-498, December.

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