Ideological polarization in roll call votes in constitutional conventions: The case of Chile in 2021–2

• Campos-Parra, Hernán ^[1] ; Navia, Patricio ^[1]
  1. [1] Universidad Diego Portales

     Universidad Diego Portales

     Santiago, Chile

     
• Localización: Parliamentary affairs: A journal of representative politics, ISSN 0031-2290, Vol. 78, Nº 1, 2025, págs. 203-225
• Idioma: inglés
• DOI: 10.1093/pa/gsae009
• Texto completo no disponible (Saber más ...)
• Resumen

  • What factors account for polarization in constitutional conventions comprised of party members and many independents without prior legislative experience? Using the 4,669 roll call votes in the 155-member constitutional convention in Chile (2021–2), comprised of more independents than party members, we explore the determinants of ideological polarization. Relying on absolute values for the WNominate scores, we find that party members are less polarized than independents and that prior legislative experience does not impact polarization. In institutionalized party systems that allow independents to compete with party members on a level playing field, a larger presence of independents in legislatures might help increase ideological polarization while a larger number of party members helps reduce ideological polarization in roll call votes.

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