Plurality versus proportional electoral rule: study of voters' representativeness
AbstractThinking of electoral rules, common wisdom suggests that proportional rule is more fair, since all voters are equally represented: at times, it turns out that this is false. I study the formation of both Parliament and Government; for the composition of the former I consider plurality and proportional rule; for the formation of the latter, I assume that parties play a non-cooperative game à la Rubinstein. I show that, unless parties are impatient to form a Government, proportional electoral rules translate into a more distortive distribution of power among parties than plurality rule; this happens because of the bargaining power of small parties during Government formation.
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Bibliographic InfoPaper provided by Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) in its series Working Papers. Serie AD with number 2009-14.
Length: 30 pages
Date of creation: Jan 2009
Date of revision:
Publication status: Published by Ivie
electoral systems; proportional rule; plurality rule; voters¿ representation.;
Other versions of this item:
- Piolatto, Amedeo, 2011. "Plurality versus proportional electoral rule: Which is most representative of voters?," European Journal of Political Economy, Elsevier, vol. 27(2), pages 311-327, June.
- Piolatto, Amedeo, 2008. "Electoral systems and the distortion of voters' preferences," MPRA Paper 12610, University Library of Munich, Germany, revised 08 Jan 2009.
- Amedeo Piolatto, 2009. "Plurality versus proportional electoral rule: which is most representative of voters?," Working Papers 2009/27, Institut d'Economia de Barcelona (IEB).
- C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
- D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
- H1 - Public Economics - - Structure and Scope of Government
- P16 - Economic Systems - - Capitalist Systems - - - Political Economy of Capitalism
This paper has been announced in the following NEP Reports:
- NEP-ALL-2009-06-03 (All new papers)
- NEP-CDM-2009-06-03 (Collective Decision-Making)
- NEP-PBE-2009-06-03 (Public Economics)
- NEP-POL-2009-06-03 (Positive Political Economics)
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