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The evolution of party systems between elections

Laver, Michael and Benoit, Kenneth ORCID: 0000-0002-0797-564X (2003) The evolution of party systems between elections. American Journal of Political Science, 47 (2). pp. 215-233. ISSN 0092-5853

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Identification Number: 10.1111/1540-5907.00015


Most existing theoretical work on party competition pays little attention to the evolution of party systems between elections as a result of defections between parties. In this article, we treat individual legislators as utility-maximizing agents tempted to defect to other parties if this would increase their expected payoffs. We model the evolution of party systems between elections in these terms and discuss this analytically, exploring unanswered questions using computational methods. Under office-seeking motivational assumptions, our results strikingly highlight the role of the largest party, especially when it is “dominant” in the technical sense, as a pole of attraction in interelectoral evolution.

Item Type: Article
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Additional Information: © 2003 Midwest Political Science Association
Divisions: Methodology
Subjects: J Political Science > JA Political science (General)
Date Deposited: 30 Jan 2013 16:45
Last Modified: 20 Apr 2024 23:30

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