On the nature of competition in alternative electoral systems

Matias Iaryczower, Andrea Mattozzi

Research output: Contribution to journalArticlepeer-review


We link the intensity of campaign competition in different electoral systems with the number of candidates running for public office and their ideological differentiation. We show that proportional elections have more candidates, competing less aggressively in campaign spending, than those in majoritarian elections. Candidates' ideological positions, however, can in general be more differentiated in majoritarian or proportional elections. We also study the equilibrium effects of plurality premiums and the consequences of heterogeneity among candidates in nonideological characteristics.

Original languageAmerican English
Pages (from-to)743-756
Number of pages14
JournalJournal of Politics
Issue number3
StatePublished - Jul 2013

ASJC Scopus subject areas

  • Sociology and Political Science


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