This paper presents a new concept the global roles of currencies. The concept combines the domestic and international (cross-border) use of currencies and therefore captures the overall importance of different currencies in a globalised economy. The measure of a currency's global role is based...

For nearly a century the US dollar has been unchallenged as the sole and later the most important reserve and intervention currency in the world. The dollar became such an important currency after the shift from the British pound which, during the gold standard, was the world's reserve currency...

This paper presents a new concept - the global roles of currencies. The concept combines the domestic and international (cross-border) use of currencies and therefore captures the overall importance of different currencies in a globalised economy. The measure of a currency's global role is based...

We propose a "debt view" to explain the dominant international role of the dollar and provide broad empirical support for it. Within a simple capital structure model in which firms optimally choose the currency composition of their debt, we derive conditions under which all firms issue debt in a...

Written for a PIIE conference on the 50th anniversary of floating exchange rates, this paper deals with possible alternatives to a unipolar dollar-based system. It considers (1) measures of international currency use; (2) potential challengers to the dollar; (3) network externalities; and (4) the...