The euro is unique in that it is a currency without a sovereign. Since the crisis, there have been major developments towards making the Eurozone more resilient, including the banking union and the European Stability Mechanism (ESM). This column explores whether further normalisation is required to make the Eurozone function properly. It argues that the Eurozone, unlike existing federations, lacks the ability to deliver counter-cyclical fiscal policies while complying with fiscal discipline. Macroeconomic coordination will thus require rules, a strong and independent European Fiscal Board, and the strengthening of the ESM.