This lecture discusses the 2010 crisis of the European Monetary Union and draws some lessons for reform. Crisis resolution has been difficult because the sovereign debt crisis of countries like Greece and Portugal has come together with real-estate and banking crises in countries like Ireland...

The paper builds a simplified model describing the economy of a currency union with decentralised national fiscal policy, where the main features characterising the policy-making are similar to those in EMU. National governments choose the size of deficit taking into account the two main rules...