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Characterizing the Top Cycle via Strategyproofness
[article]
2021
arXiv
pre-print
Gibbard and Satterthwaite have shown that the only single-valued social choice functions (SCFs) that satisfy non-imposition (i.e., the function's range coincides with its codomain) and strategyproofness (i.e., voters are never better off by misrepresenting their preferences) are dictatorships. In this paper, we consider set-valued social choice correspondences (SCCs) that are strategyproof according to Fishburn's preference extension and, in particular, the top cycle, an attractive SCC that
arXiv:2108.04622v1
fatcat:yqd4c5va5vfk7kxrjsmirswr7u