Iterative positional rules, majority principle and unimodal preferences

Sequential scoring rules are multi-stage social choice rules that work as f ollows: at each stage of the process, a score is computed for each alternat ive by taking into account its position in the individual preference rankin gs, and the alternative with the lowest score is eliminated. The current pa per studies the ability of these rules for choosing the Condorcet winner (o r the strong Condorcet winner) when individual preferences are single-peake d.