We develop a dynamic model of a small open economy that trades commodities whose world prices are subject to realistic random fluctuations, and study the implications of monetary policy alternatives. The model is much more flexible than those of previous studies, especially in allowing to...

In recent years, large fluctuations in world food prices have renewed interest in the question of how monetary policy in small open economies should react to imported price shocks. We address this issue in an open economy setting similar to previous ones except that food plays a distinctive role...

This paper reviews the recent experience of a half-dozen Latin American inflation-targeting (IT) nations. We document repeated and large deviations from the standard IT framework: exchange market interventions have been lasting and widespread; the real exchange rate has often become a target of...

This paper develops an open economy model in which financial intermediation is subject to occasionally binding collateral constraints, and uses the model to study unconventional policies such as credit facilities and foreign exchange intervention. The model highlights the interaction between the...

Exchange rate policies depend on portfolio choices, and portfolio choices depend on anticipated exchange rate policies. This opens the door to multiple equilibria in policy regimes. We construct a model in which agents optimally choose to denominate their assets and liabilities either in...

This paper is an analysis of the simultaneous determination of financial default and political crises and its consequences. It focuses on a small open economy that faces a debt default decision. Crucially, this decision is made by a government that has superior information than the public about...

We build a model of financial sector illiquidity in an open economy. Illiquidity defined as a situation in which a country's consolidated financial system has potential short-term obligations in foreign currency that exceed the amount of foreign currency it can have access to on short notice can...

This paper studies how the effect of trade openness on economic growth depends on complementary reforms that help a country take advantage of international competition. This issue is illustrated with a simple Harris-Todaro model where output gains after trade liberalization depend on the degree...

This paper discusses major analytical aspects of dollarization and their practical implications. We develop a simple model to stress that dollarization implies the loss of independent monetary policy and of seigniorage, yet the significance of such losses can only be evaluated in conjunction...

We study financial fragility, exchange rate crises and monetary policy in an open economy model in which banks are maturity transformers as in Diamond-Dybvig. The banking system, the exchange rate regime, and central bank credit policy are seen as parts of a mechanism intended to maximize social...