volume 62, issue 5, P17-28 2018
DOI: 10.20542/0131-2227-2018-62-5-17-28
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Abstract: Despite the large body of literature on the emergence and success of new political parties in Western Europe, few, if any, attention has been paid to investigate new parties from a systemic perspective, therefore exploring their potential effects on party systems. This article focuses on Party System Innovation (PSInn), defined as the aggregate level of 'newness' recorded in a party system at a given election. After having reviewed the extant literature on the topic, the article discusses what a new party is a…

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