In this paper we examine the international implications of monetary union in the European Community (EMU), and the associated international costs and benefits. We consider prospective changes in international institutions, the potential role of the ecu as an international currency, and the...

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...