Simon Bulmer is Professor of European Politics at the University of Sheffield, UK. His recent publications include Germany and the European Union: the reluctant hegemon? (2018, with William Paterson), and Politics in the European Union, 4th edition (2015, with Ian Bache, Stephen George, and Owen Parker).

Lucia Quaglia is Professor of Political Science at the University of Bologna, Italy. Her most recent books include The Political Economy of Banking Union (2016, with D. Howarth), and The European Union and Global Financial Regulation (2014).