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...

This paper develops a new econometric framework to estimate and classify exchange rate regimes. They are classified into four distinct categories: fixed exchange rates, BBC (band, basket and crawl), managed floating, and freely floating. The procedure captures the patterns of exchange rate...

We analyze the determinants of individual central bank holdings of international reserves, as shares of gold, dollar, euro, pound, yen and yuan, over the 1999-2022 period. We augment standard economic determinants of size, exchange rate volatility, currency pegs and bilateral trade with...

This paper, written for the NBER Conference on the Changing Role of the United States in the World Economy, covers the capital account in the U.S. balance of payments. It first traces the history from 1946 to 1980, a period throughout which Americans were steadily building up a positive net...

We survey the empirical literature on floating nominal exchange rates over the past decade. Exchange rates are difficult to forecast at short- to medium-term horizons. There is a bit of explanatory power to monetary models such as the Dornbusch 'overshooting' theory, in the form of reaction to...

This paper develops a new econometric framework to estimate and classify exchange rate regimes. They are classified into four distinct categories: fixed exchange rates, BBC (band, basket and crawl), managed floating, and freely floating. The procedure captures the patterns of exchange rate...