In this paper we show that 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. This is because profit-maximizing producers in a currency area adopt endogenous pricing strategies that...

The paper analyzes the modalities and consequences of a breakdown of cooperation between the monetary authorities of inflation-prone Periphery Countries that use an exchange rate peg as an anti- inflationary device, when the Center is hit by an aggregate demand shock. Cooperation in the...

This paper analyzes the welfare implications of international spillovers related to productivity gains, changes in market size, or government spending. We introduce trade costs and endogenous varieties in a two-country general-equilibrium model with monopolistic competition, drawing a...

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...

The recent theory of exchange rate dynamics within a target zone holds that exchange rates under a currency bard are less responsive to fundamental shocks than exchange rates under a free float, provided that the intervention rules of the Central Bank(s) are common knowledge. These results are...

Using a general-equilibrium simulation model featuring nominal rigidities and monopolistic competition in product and labor markets, this paper estimates the macroeconomic benefits and international spillovers of an increase in competition. After calibrating the model to the euro area vs. the...

The paper develops a simple choice-theoretic model suitable for carrying out welfare" analyses of the international transmission of monetary and fiscal policies. The model can be" solved in closed form and illustrated in terms of the simplest graphical apparatus provide the analysis of...

The paper explores the view that the Asian currency and financial crises in 1997 and 1998 reflected structural and policy distortions in the countries of the region, even if market overreaction and herding caused the plunge of exchange rates, asset prices, and economic activity to be more severe...

This paper re-examines the implications, risks, and attendant policies surrounding global rebalancing of current accounts through the lens of a dynamic, multi-region model of the global economy. In the baseline scenario, world macroeconomic imbalances of the early 2000s can be attributed to a...

This paper provides an introduction to the recent literature on macroeconomic stabilization in closed and open economies. We present a stylized theoretical framework, and illustrate its main properties with the help of an intuitive graphical apparatus. Among the issues we discuss: optimal...