Challenger parties are on the rise in Europe, exemplified by the likes of Podemos in Spain,
the National Rally in France, the Alternative for Germany, or the Brexit Party in Great Britain …

The main area of sustained populist growth in recent decades has been Western Europe,
where populist parties have not only endured longer than expected, but have increasingly …

This book explores the theoretical issues, empirical evidence, and normative debates
elicited by the concept of multi-level governance (MLG). The concept is a useful descriptor of …

What accounts for variation in the electoral success of niche parties? Although institutional
and sociological explanations of single-issue party strength have been dominant, they tend …

To what extent has the process of European integration re-drawn the boundaries of national
welfare states? What are the effects of such re-drawing? Boundaries count: they are …

Political decentralization is widely believed to reduce ethnic conflict and secessionism in the
world today. Yet decentralization is more successful in reducing conflict and secessionism in …

This article looks at the relationship between fiscal and political decentralization and the
evolution of regional inequalities in a panel of 26 countries—19 developed and 7 …

New political parties have regularly appeared in developed democracies around the world.
In some countries issues focusing on the environment, immigration, economic decline, and …

How severe a problem is what many call the'democratic deficit'of the European Union?
Despite a voluminous theoretical literature dealing with this question, there is hardly any …

Traditional explanations of the origins of regional parties as the products of regionally-based
social cleavages cannot fully account for the variation in regional party strength both within …