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Social choice and electoral systems
A joint Politics and Economics series

Social choice Mechanism design Comparative politics Comparison List (By country)
Single-winner methods Single vote – plurality methods Approval voting First preference plurality (FPP) Two-round (US: Jungle primary) Partisan primary Instant-runoff UK/NZ: Alternative vote (AV) AU: Preferential voting US/CA: Ranked-choice (RCV) Party block voting Plurality block voting Condorcet methods Condorcet-IRV Round-robin voting Minimax Kemeny Schulze Ranked pairs Maximal lottery Positional voting Plurality (el. IRV) Borda count (el. Baldwin, Mdn. Bucklin) Antiplurality (el. Coombs) Rated (cardinal) voting Score voting Approval voting Combined approval voting Majority judgment STAR voting
Proportional representation Party-list Apportionment Highest averages (D'Hondt, Sainte-Laguë, Huntington–Hill) Largest remainders (Hare-Niemeyer, Hagenbach-Bischoff, Imperiali) National remnant Biproportional List type Closed list Localized list Open list