Topological aggregation, the twin paradox and the No Show paradox

Guillaume Chèze (1)

1 IMT - Institut de Mathématiques de Toulouse UMR5219

Consider the framework of topological aggregation introduced by Chichilnisky (1980). We prove that in this framework the Twin Paradox and the No Show Paradox cannot be avoided. Anonymity and unanimity are not needed to obtain these results.

Mots clés: Social choice; Aggregation rules; No Show paradox; Algebraic topology

Domaines: Système multi-agents [cs.MA]

Guillaume Chèze. Topological aggregation, the twin paradox and the No Show paradox . Social Choice and Welfare, 2017, ⟨10.1007/s00355-017-1032-1⟩. ⟨hal-01356720⟩