Approval voting versus proportional threshold methods: so far and yet so near

Susumu Cato (), Stéphane Gonzalez (), Eric Rémila () and Philippe Solal
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Susumu Cato: UTokyo - Tōkyō teikoku daigaku = University of Tokyo [Tokyo]
Eric Rémila: GATE Lyon Saint-Étienne - Groupe d'Analyse et de Théorie Economique Lyon - Saint-Etienne - ENS de Lyon - École normale supérieure de Lyon - Université de Lyon - UL2 - Université Lumière - Lyon 2 - UJM - Université Jean Monnet - Saint-Étienne - CNRS - Centre National de la Recherche Scientifique

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Abstract: This paper provides the first axiomatic characterization of a class of certification methods, dubbed proportional threshold methods, that builds on consistency properties across populations and profiles of binary opinions. We then compare proportional threshold methods with the approval voting method. We formally outline the similarities and differences of these two collective decision processes and provide an axiomatic characterization of the approval voting method that, perhaps surprisingly, is closely related to the one of the proportional threshold methods.

Keywords: approval voting method; certification method; consistency; evaluation; monotonicity; proportional threshold method (search for similar items in EconPapers)
Date: 2022-11-17
New Economics Papers: this item is included in nep-pol
Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-03858356v1
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