What is the optimal number of currencies in the world? Common currencies affect trading costs and, thereby, the amounts of trade, output, and consumption. From the perspective of monetary policy, the adoption of another country's currency trades off the benefits of commitment to price stability...

When countries of different sizes participate in a cooperative agreement, the potential gain from deviation determines the minimum power that each country requires in the common decision-making. lt;brgt;lt;bRgt;This paper studies the problem in the context of a monetary union - multiple...

Formation of the Euro area raises new questions about the coordination of monetary and fiscal policy. Using a New Neoclassical Synthesis (NNS) model, we show that a common monetary policy, responding to area-wide aggregates, has asymmetric effects on countries within the union, depending on...

A popular view among economists, policymakers, and the media, is that the Maastricht Treaty and then Stability and Growth Pact have significantly impaired the ability of EU governments to conduct a stabilizing fiscal policy and to provide an adequate level of public infrastructure. In this...

This paper analyzes the long-run determinants of inflation differentials in a monetary union. First, we aim at establishingsome stylized facts relating the regional dispersion in headline inflation rates in the euro area as well as in the main components of the consumer price index. We find that...

During the last few years there has been a renewed analysis in currency unions as a form of monetary arrangement. This new interest has been largely triggered by the Euro experience. Scholars and policy makers have asked about the optimal number of currencies in the world economy. They have...