Unanimity and local incentive compatibility in sparsely connected domains
This paper studies the implications of imposing unanimity and local incentive compatibility on a deterministic social choice function. In an environment with strict ordinal preferences over a finite set of alternatives, we find that tops-onlyness and full incentive compatibility necessarily follow f...
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Veröffentlicht in: | Social choice and welfare 2023-08, Vol.61 (2), p.385-411 |
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description | This paper studies the implications of imposing unanimity and local incentive compatibility on a deterministic social choice function. In an environment with strict ordinal preferences over a finite set of alternatives, we find that tops-onlyness and full incentive compatibility necessarily follow from unanimity and local incentive compatibility in sparsely connected domains. Furthermore, we identify a property of preference domains that completely characterizes dictatorial domains within sparsely connected domains. |
doi_str_mv | 10.1007/s00355-023-01457-3 |
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subjects | Compatibility Dictators Economic Theory/Quantitative Economics/Mathematical Methods Economics Economics and Finance Efficiency Election results Function Game Theory Incentives International Political Economy Original Paper Preferences Presidential elections Public Finance Social and Behav. Sciences Social choice Social Policy Soziale Wohlfahrtsfunktion |
title | Unanimity and local incentive compatibility in sparsely connected domains |
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