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...

In View of the continuation of substantial movements in exchange rate relationships among major currencies, the recent increase in protectionist pressures, and the disappointing performance of world trade, renewed concern has been expressed about the possible adverse effects of exchange rate...

The paper explores the relationship between trade policy and current accounts. The effect on the current account of a change in protection at home and then abroad is analyzed, assuming that the exchange rate floats. The “savings-and-investment approach” is used. It shows that there is no...

We show in the context of a new economic geography model that when labor is heterogenous trade liberalization may lead to industrial agglomeration and interregional trade. Labor heterogeneity gives local monopoly power to firms but also introduces variations in the quality of the job match....

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...