In this paper I analyze, within the context of the new 'financial architecture,' the relationship between exchange rate regimes, capital flows and currency crises in emerging economies. The paper draws on lessons learned during the 1990s, and deals with some of the most important policy...

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...

In this paper I analyze several issues related to contagion,' including its definition, recent experiences, alternative channels at work, and possible prevention mechanisms. The discussion deals with the macroeconomics implications of contagion, and concentrates on the relationship between the...

A number of recent papers have argued that US firms exert increasing market power, as measured by their markups of price over marginal cost. I review three of the main approaches to estimating economy-wide markups and show that all are based on the hypothesis of firm cost-minimization. Yet...

Rather than charging direct fees, banks often charge implicitly for their services via interest spreads. As a result, much of bank output has to be estimated indirectly. In contrast to current statistical practice, dynamic optimizing models of banks argue that compensation for bearing systematic...