Ideological extremism and electoral design. Multimember versus single member districts

Anthony Bertelli, Lilliard E. Richardson

Research output: Contribution to journalArticle

Abstract

Relying on a formal theoretical model, Gary Cox demonstrates that single member districts induce candidates toward policy positions at their constituency median while multimember districts encourage dispersion. We test this theoretical implication in the context of the Arizona state legislature, in which each legislative district chooses one senator and two representatives in single member and multimember contests respectively. To do so, we generate W-NOMINATE estimates of scores based on roll-call data from the Arizona state legislature that are comparable across chambers (Senate and House). Our results are substantially less supportive of the formal theory than are those of prior studies.

Original languageEnglish (US)
Pages (from-to)347-368
Number of pages22
JournalPublic Choice
Volume137
Issue number1-2
DOIs
StatePublished - Oct 2008

Keywords

  • Electoral systems
  • Ideological branding
  • Legislator ideology
  • Multimember districts

ASJC Scopus subject areas

  • Sociology and Political Science
  • Economics and Econometrics

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