This book addresses the macroeconomic implications of a country's transition to a monetary union. By using a dynamic multi-country simulation model, it is possible to pinpoint a monetary union, and repercussions produced by fiscal retrenchment policies. Interest and exchange rate effects could...

How should public debt be managed when uncertainty about the business cycle is widespread and debt levels are high, as in the aftermath of the last financial crisis? This paper analyzes optimal fiscal policy with ambiguity aversion and endogenous government spending. We show that, without...