This paper provides a baseline general-equilibrium model of optimal monetary policy among interdependent economies with monopolistic firms that set prices one period in advance. Strict adherence to inward-looking policy objectives such as the stabilization of domestic output cannot be optimal...

A currency area can be a self-validating optimal policy regime, even when monetary unification does not foster real economic integration and intra-industry trade. In our model, firms choose the optimal degree of exchange rate pass-through to export prices while accounting for expected monetary...

We study the interaction of fiscal and monetary policies during a currency crisis in an economy with government nominal liabilities. We show that the stock and maturity of these liabilities are key determinants of the magnitude, timing and predictability of a devaluation. Among notable features...