Two macroeconomic constraints determine the credibility of an exchange rate system: the availability of foreign exchange and the sustainability of fiscal balance. The following paper analyses the relative importance of these constraints for fixed and flexible exchange rate systems, examines the...

This paper examines policy responses to exchange-rate movements in a simple model of an open economy. The optimal response of monetary policy to an exchange-rate change depends on the source of the change: on whether the underlying shock is a shift in capital flows, manufactured exports, or...

This paper outlines a set of financial policies that can help make financial crises less likely in emerging market countries. To justify these policies, the paper first explains what a financial crisis is, the factors that promote a financial crisis and the dynamics of a financial crisis. It...

There is a well-known set of empirical regularities that describe the experience of countries that peg their exchange rate as part of a macroeconomic adjustment program. Following the peg economies tend to experience an increase in GDP, a large expansion of production in the non-tradable sector,...

We present a standard intertemporal model in which fiscal policy is determined by an optimizing but non-benevolent fiscal authority. If the fiscal authority is impatient, a money-based stabilization provides more fiscal discipline and higher welfare for the representative agent than does an...