Daniel Béland is Director of the McGill Institute for the Study of Canada and James McGill Professor in the Department of Political Science at McGill University. A specialist of comparative fiscal and social policy, he has published 20 books and more than 150 articles in peer-reviewed journals. Kimberly J. Morgan is Professor of Political Science at George Washington University. Her work examines the politics shaping public policies, with particular interests in migration and social welfare. She is the author Working Mothers and the Welfare State: Religion and the Politics of Work-Family Policy in Western Europe and the United States (Stanford University Press, 2006) and The Delegated Welfare State: Medicare, Markets, and the Governance of American Social Policy (OUP, 2011), and co-editor of several volumes, including The Many Hands of the State: Theorizing Political Authority and Social Control (Cambridge University Press, 2017). Herbert Obinger is a Professor of Comparative Public and Social Policy at the University of Bremen. He has published widely on the historical development of the welfare state in advanced democracies and comparative political economy. Chris Pierson is Emeritus Professor of Politics at the University of Nottingham. His work covers the inter-related themes of property, social democracy and the welfare state. His Beyond the Welfare State (1991) remains one of the most widely-cited books in the field.