A Populist Zeitgeist? Programmatic Contagion by Populist Parties in Western Europe

Engelstalige samenvatting van artikel dat geaccepteerd is voor publicatie in Party Politics

Matthijs Rooduijn, Sarah L. de Lange en Wouter van der Brug

In this paper we examine the programmatic reactions to the rise of populist parties. It has been argued that populism is not necessarily the prerogative of populist parties; it has been adopted by mainstream parties as well. This paper investigates whether populism is contagious. On the basis of the results of a content analysis of election manifestos of parties in five Western European countries (France, Germany, Italy, the Netherlands and the United Kingdom), we conclude that the programmes of mainstream parties have not become more populist in recent years. We also find no evidence that mainstream parties change their programmes when confronted with electoral losses or successful populist challengers. Yet, we do find that populist parties change their own programmes when they have been successful: Their initial success makes them tone down their populism.

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