A characterization of possibility domains in strategic voting

Souvik Roy and Ton Storcken

Journal of Mathematical Economics, 2019, vol. 84, issue C, 46-55

Abstract: We consider domains in strategic voting problems which satisfy three properties, namely top-connectedness, pervasiveness, and richness. We prove the following two results for such a domain: (i) it admits non-dictatorial, unanimous, and strategy-proof choice functions if and only if it has an inseparable top-pair, and (ii) it admits anonymous, unanimous, and strategy-proof choice functions only if it does not have any top-circuit. Finally, we establish the practical relevance of our results by applying them in the context of locating a public good or a public bad, preference aggregations, policy making, etc.

Keywords: Top-connectedness; Dictatorial domains; Euclidean preferences (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:mateco:v:84:y:2019:i:c:p:46-55

DOI: 10.1016/j.jmateco.2019.06.001

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