We explore the effects of environmental taxes that imprecisely target pollution. A review of actual policies indicates few (if any) examples of a true tax on pollution. More typically, environmental taxes target an input or output that is correlated with pollution. We construct a simple...

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...

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 the ways in which populist experiments have evolved historically. Populists are charismatic leaders that use a fiery rhetoric to pitch the interests of "the people" against those of banks, large firms, multinational companies, the IMF, and immigrants. Populists implement...

Cap and trade systems are emerging as the front-running policy choice to address climate change concerns in many countries. One of the apparent attractions of this approach is the ability to achieve hard limits on emissions over a control period. The cost of achieving this certainty on emission...

I use a large cross country data set and panel probit analysis to investigate the way in which the interaction between trade and financial openness affect the probability of external crises. This analysis is related to debate on the adequate sequencing of reform. I also investigate the role...

In this paper I use a large multi-country data set to analyze the determinants of abrupt and large "current account reversals." The results from a variance-component probit model indicate that the probability of experiencing a major current account reversal is positively affected by larger...

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...