Efforts to liberalize world trade are increasingly focusing on strengthening the links between low-income countries’ trade policies and their development strategies. However, although greater trade openness promises faster growth for poor countries, it also presents risks to those with...

Trade integration can play a much larger role in boosting shared prosperity. The current focus on trade tensions threatens to obscure the great untapped benefits possible from further trade reform. The opportunities provided by information technology and other fundamental changes in the global...

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...