Issue |
RAIRO-Oper. Res.
Volume 34, Number 3, July September 2000
|
|
---|---|---|
Page(s) | 347 - 362 | |
DOI | https://doi.org/10.1051/ro:2000118 | |
Published online | 15 August 2002 |
Regles positionnelles iteratives, principe majoritaire et preferences unimodales
CREME, Université de Caen,
14032 Caen Cedex, France.
Received:
November
1998
Sequential scoring rules are multi-stage social choice tules that work as follows: at each stage of the process, a score is computed for each alternative by taking into account its position in the individual preference rankings, and the alternative with the lowest score is eliminated. The current paper studies the ability of these rules for choosing the Condorcet winner (or the strong Condorcet winner) when individual preferences are single-peaked.
Résumé
Les règles positionnelles itératives sont des règles de choix collectif procédant par éliminations successives et dans lesquelles le score des options est calculé sur la base des positions qu'elles occupent dans les ordres de préférence des individus prenant part à la décision collective. Le présent article se propose d'étudier l'aptitude de ces règles à choisir l'option majoritaire (ou fortement majoritaire) lorsque les préférences des individus sont unimodales.
Key words: Choix social / régles de vote / critère de Condorcet / unimodalité
© EDP Sciences, 2000
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