The fundamental question uniting the contributions to this volume is: what exactly is populism? This is certainly not a new question, as a large amount of literature has focused on this topic for more than half a century. As little conceptual consensus has been reached so far, this book aims to reduce the level of abstraction. To this end, it approaches the populist phenomenon from a broader theoretical and empirical perspective, making reference to its developments on several continents. The book is divided into two parts: the first is theoretical and discusses various perspectives on...