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econ.TH2021
Characterizing the Top Cycle via Strategyproofness
Felix Brandt, Patrick Lederer
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)…
cs.GT2021
On the Indecisiveness of Kelly-Strategyproof Social Choice Functions
Felix Brandt, Martin Bullinger, Patrick Lederer
Social choice functions (SCFs) map the preferences of a group of agents over some set of alternatives to a non-empty subset of alternatives. The Gibbard-Satterthwaite theorem has s…