In most macroeconomic models, the substitutability between domestic and foreign goods is calibrated using aggregated data. This imposes homogeneous elasticities across goods, and the calibration is only valid under this assumption. If elasticities are heterogeneous, the aggregate...

Well-known empirical puzzles in international macroeconomics concern the large divergence of equilibrium outcomes for consumption across countries from the predictions of models with full risk sharing. It is commonly believed that these risk-sharing puzzles are related to another empirical...

The paper provides an alternative explanation for the ""resource curse"" based on the income effect resulting from high government current spending in resource rich economies. Using a simple life cycle framework, we show that private investment in the non-resource sector is adversely affected if...

Although negative shocks have persistent effects on output on average, this paper shows that macroeconomic policies and the structure of the economy can influence the speed of recovery and mitigate the persistence of the shock. Indeed, monetary and fiscal stimulus and foreign aid can spur a...

This paper provides an overview of inflation targeting frameworks and macroeconomic performance under inflation targeting. Inflation targeting frameworks are generally quite similar across countries, and a broad consensus has developed in favor of ""flexible"" inflation targeting. The evidence...