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  1.  10
    Two impossibility results for social choice under individual indifference intransitivity.Gustav Alexandrie - 2023 - Social Choice and Welfare 61:919–936.
    Due to the imperfect ability of individuals to discriminate between sufficiently similar alternatives, individual indifferences may fail to be transitive. I prove two impossibility theorems for social choice under indifference intransitivity, using axioms that are strictly weaker than Strong Pareto and that have been endorsed (sometimes jointly) in prior work on social choice under indifference intransitivity. The key axiom is Consistency, which states that if bundles are held constant for all but one individual, then society’s preferences must align with those (...)
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    Independent, neutral, and monotonic collective choice: the role of Suzumura consistency.Walter Bossert, Susumu Cato & Kohei Kamaga - 2023 - Social Choice and Welfare 61:835–852.
    We examine the impact of Suzumura’s (Economica 43:381–390, 1976) consistency property when applied in the context of collective choice rules that are independent of irrelevant alternatives, neutral, and monotonic. An earlier contribution by Blau and Deb (Econometrica 45:871–879, 1977) establishes the existence of a vetoer if the collective relation is required to be complete and acyclical. The purpose of this paper is to explore the possibilities that result if completeness and acyclicity are dropped and Suzumura consistency is imposed instead. A (...)
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