Paul De Grauwe is John Paulson Professor at the London School of Economics, He was a member of the Belgian parliament from 1991 to 2003. He is honorary doctor of the University of St Gallen (Switzerland), the University of Turku (Finland), the University of Genoa, the University of Valencia and Maastricht University. He is a research fellow at the Centre for European Policy Studies in Brussels and CEPR fellow in London. He is vice-chair of the Portuguese Fiscal Council. His research interests are in the economics of monetary unions and behavioural macroeconomics. His book publications include: The Limits of the Market (Oxford University Press, 2017), The Economics of Monetary Union (Oxford University Press, 12th Edition, 2018), and Lectures on Behavioral Macroeconomics (Princeton University Press, 2012). Yuemei Ji is a lecturer in Economics at University College London. She is an associate research fellow at the Centre for European Policy Studies in Brussels. Her research interests cover macroeconomics in general and the European Monetary Union during the post-crisis period in particular. She has done intensive research on the causes of Eurozone debt crisis and its impact on the austerity policies in the Eurozone. She is a co-editor of The Political Economy of Structural Reforms in Europe (Oxford University Press, 2018)