In this paper I analyze the relationship between the U.S. dollar and the U.S. current account. I deal with issues of sustainability, and I discuss the mechanics of current account adjustment. The analysis presented in this paper differs from other work in several respects: First, I emphasis the...

In this paper we analyze the macroeconomic record of dollarized economies. In particular, we investigating whether, as its supporters' claim, dollarization is associated with lower inflation and faster growth. We analyze this issue by using a matching estimator technique developed in the...

In this paper I investigate the historical record of countries that have lived under a 'dollarized' monetary system. As it turns out, this is a very small group of counties, most of which have operated under very special circumstances, and for which there are very limited data. The results...

In this paper I analyze the anatomy of current account adjustments in the world economy during the last three decades. The main findings may be summarized as follows: (a) Major reversals in current account deficits have tended to be associated to sudden stops' of capital inflows. (b) The...

This paper deals with COVID and macroprudential regulations in emerging markets. I document the build-up of a sturdy macroprudential structure during 2009-2019, and the relaxation of regulations in 2020-2021, as part of the effort to deal with the sanitary emergency. I show that in every...

In this paper I discuss in what way, if any, the collapse of Argentina's experience with a currency board has affected the policy debate on the appropriate exchange rate regime in emerging and transition countries. More specifically, I deal with three issues: (1) I discuss some important aspects...

Exchange rates have been at the center of economic debates in emerging economies. Issues related to the feasibility of flexible exchange rates, the relationship between exchange rate volatility and growth, and the role of exchange rate overvaluation in recent crises, among other, have been...

In this paper I use a panel data set to investigate the mechanics of sudden stops of capital inflows and current account reversals. I am particularly interested in four questions: (a) What is the relationship between sudden stops and current account reversals? (b) To what extent does financial...

In recent years, analysts and policy makers alike have been evaluating the nexus between exchange rates and macroeconomic stability. Among the most important questions is why have some countries adopted rigid, including fixed, exchange-rate paper addresses this question from a political economy...