Polling in a proportional representation system

Mavridis, Christos and Ortuño-Ortín, Ignacio (2018) Polling in a proportional representation system. Social Choice and Welfare, 51 (2). pp. 297-312. ISSN 0176-1714

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Abstract

We study the effects of opinion polls on election results in proportional representation systems. Moderate voters have preferences over the vote shares received by the parties so that an agent’s optimal voting decision might depend on the other agents’ behavior. A voter’s information about other voters’ behavior can be improved through a series of opinion polls. We show that the mass of undecided voters decreases monotonically with the number of polls, but may not necessarily disappear. Voters who remain undecided have centrist ideologies. On average a series of polls brings the society closer to complete information even though specific polls may push the election result away from the complete information case.

Item Type: Article
Research Areas: A. > Business School > Economics
Item ID: 25613
Notes on copyright: © The Author(s) 2018. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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Depositing User: Christos Mavridis
Date Deposited: 15 Nov 2018 12:45
Last Modified: 03 Apr 2019 07:05
URI: https://eprints.mdx.ac.uk/id/eprint/25613

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