The nationalisation of party systems revisited: a new measure based on parties’ entry decisions, electoral results, and district magnitude

Ignacio Lago ^[1] ; José Ramón Montero ^[2]
1. [1] Universitat Pompeu Fabra
  
  Universitat Pompeu Fabra
  
  Barcelona, España
2. [2] Universidad Autónoma de Madrid
  
  Universidad Autónoma de Madrid
  
  Madrid, España
Localización: Repensar la democracia: inclusión y diversidad : IX Congreso Español de Ciencia Política y de la Administración: celebrado en Málaga 23, 24 y 25 de septiembre de 2009 / Juan Luis Paniagua Soto (dir. congr.), 2009
Idioma: español
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Resumen
- In this paper, a new measure of party system nationalisation is proposed. Instead of analyzing the homogeneity of parties’ vote shares across districts within countries, we measure the phenomenon in terms of a combination of the homogeneity of the supply of parties across districts, their electoral results, and the number of seats to be filled in those districts where parties compete. The advantages of our measure of party system nationalisation over the existing measures are illustrated by performing a longitudinal analysis of 256 elections in eighteen Western European countries from 1945 to 1998.