A "winner" under any voting rule ? An experiment on the single transferable vote
AbstractIn this paper, we expose the results of a voting experiment realised in 2007, during the French Presidential election. This experiment aimed at confronting the Single Transferable vote (SVT) procedure to two criteria : simplicity and the selection of a Condorcet-winner. Building on our electoral sample's preferences, we show that this voting procedure can design a different winner, depending on the vote counting process. With the vote counting process advocated by Hare, the winner is Nicolas Sarkozy, while the Coombs vote counting process has Franois Bayrou as winner. For these two vote counting processes, the details of the experiment are the same and it is shown that the simplicity criterion is respected. However, with regard to the Condorcet-winner criterion, the Coombs methods is the only one to elect the Condorcet-winner, i.e. François Bayrou.
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Bibliographic InfoPaper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number 09067.
Length: 26 pages
Date of creation: Oct 2009
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Field experiments; elections; single transferable vote; voting system; Condorcet Winner.;
Other versions of this item:
- Etienne Farvaque & Hubert Jayet & Lionel Ragot, 2009. "A "winner" under any voting rule ? An experiment on the single transferable vote," UniversitÃ© Paris1 PanthÃ©on-Sorbonne (Post-Print and Working Papers) halshs-00429725, HAL.
- C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments
- D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
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