Proportional Systems with Free Entry. A Citizen-Candidate Model

Paolo Balduzzi and Sandro Brusco

Department of Economics Working Papers from Stony Brook University, Department of Economics

Abstract: We analyze the equilibrium of a proportional electoral system with free entry in a citizen candidate model. In proportional systems the policy outcomes are typically decided through legislative bargaining and a perspective entrant has to worry about the governing coalitions that will be able to reach 50% of the seats. We show that there are equilibria with medium-sized parties, i.e. no party has absolute majority but the number of parties is relatively small. However, when the number of seats is su±ciently large, all equilibria must have at least 4 parties. We also discuss the impact of variations of the electoral formula, such as the introduction of of thresholds.

Date: 2019
New Economics Papers: this item is included in nep-cdm and nep-mic
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Persistent link: https://EconPapers.repec.org/RePEc:nys:sunysb:19-01

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