Professor Andrés Velasco is Professor of Public Policy and Dean of the School of Public Policy at the London School of Economics. He is also a Research Fellow of CEPR and an Associate Fellow at Chatham House, the Royal Institute of International Affairs. Earlier he held professorial roles at the Harvard Kennedy School, Columbia University and New York University. He served as Minister of Finance of Chile between 2006 and 2010. In 2017 to 2018 he was a member of the G20 Eminent Persons Group on Global Financial Governance. He holds a BA and an MA from Yale University and a PhD in economics from Columbia University.Dr Irene Bucelli is a Research Officer at the LSE School of Public Policy and programme coordinator for the Beveridge 2.0 Redefining the Social Contract. She is also a Research Officer at the Centre for Analysis of Social Exclusion at LSE where her research focuses on multidimensional inequality, poverty and deprivation.

• EditorsContributorsIntroductionAndrés Velasco and Irene Bucelli1 Populism and Identity PoliticsAndrés Velasco2 Democracy Versus Democracy The Populist Challenge to Liberal DemocracyMichael Ignatieff3 Challenger Parties and PopulismCatherine E. De Vries and Sara B. Hobolt4 The Rise of Populism and the Revenge of the Places That Don’t MatterAndrés Rodríguez-Pose5 Social Media and Political PolarisationGilat Levy and Ronny Razin6 The Technological Revolution Segregation and Populism A Long Term Strategic ResponseDavid Soskice