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...

The role of trade in the global economy is at a critical juncture. Increased trade integration helped to drive economic growth in advanced and developing economies in the latter part of the 20th century. Since the early 2000's, however, a slowdown in the pace of trade reform, a post-crisis...

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 small...

There is a widespread view that the adjustment of U.S. trade prices--and hence merchandise trade flows--in the face of the substantial dollar depreciation since early 1985 has been slower than might have been expected. This paper examines the recent behavior of U.S. trade prices, and concludes...

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...