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Rationalization of indecisive choice behavior by pluralist ballots

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  • Alcantud, José Carlos R.
  • Cantone, Domenico
  • Giarlotta, Alfio
  • Watson, Stephen

Abstract

We describe a bounded rationality approach for indecisive choice behavior, in which all, some or none of the items in a menu may be selected. Choice behavior is s-pluralist if there is a population of voters – encoded by arbitrary binary relations – such an item is selected from a menu if and only if it is endorsed by a share of voters larger than s. We prove that all forms of pluralism are equivalent to Axiom α. We also examine special forms of pluralism, in which the share of voters is either minimum (liberal) or more than one half (democratic).

Suggested Citation

  • Alcantud, José Carlos R. & Cantone, Domenico & Giarlotta, Alfio & Watson, Stephen, 2023. "Rationalization of indecisive choice behavior by pluralist ballots," Journal of Mathematical Economics, Elsevier, vol. 109(C).
    • Handle: RePEc:eee:mateco:v:109:y:2023:i:c:s0304406823000885
    DOI: 10.1016/j.jmateco.2023.102895
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    References listed on IDEAS

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