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...

Do regional trade agreements negatively impact non-members? This paper revisits this long-standing trade policy question using firm-level data and detailed information on the content of trade agreements. Differently from the conventional view on trade diversion, the analysis identifies a...