Do parties converge? An empirical analysis of party organizational and policy issue saliency change in Western Europe (1970–2010)

This article aims at assessing whether party organizational profiles and policy issue saliency converged in 7 European democracies (Austria, Belgium, Germany, the Netherlands, Norway, Sweden, UK), from the 1970s to the 2010s. Building on the theoretical premises of the cartel party thesis and historical new-institutionalism, the paper argues that general tendencies in party policy issue saliency and organizational evolution driven by contextual factors have been taken for granted by party literature based on ideal-typical models. We maintain that party convergence is mainly associated to higher levels of socialization to government. Our empirical analysis shows that patterns of cross-country convergence among parties actually emerge concerning the saliency of the issues placed on the classical leftright divide, as well as party resources, while higher variance characterizes all the other organizational dimensions and post-materialist/value-based policy issues.