In the mid-2000s, the production of hearing aids shifted almost entirely to 3D printing. Using difference-in-differences and synthetic control methods, this paper examines the effects of this shift on trade flows. The analysis finds that trade increased roughly 60 percent following the...

Most manufacturing activities use inputs from the financial and business services sectors. But these services sectors also compete for resources with manufacturing activities, provoking concerns about de-industrialization-financial services in industrial countries like the United States and the...

This paper studies the effects of a large reduction in transport costs on agricultural development in a developing country, with a focus on the interactions among the comparative advantage and transport costs of a location, and the transport intensity and value of a commodity. The paper extends...