China's reported exports to the United States have long been smaller than U.S.-reported imports from China. Earlier explanations for this focused on re-exports through Hong Kong, and appeared to account for most of the difference. Now, even after taking Hong Kong into account properly, there has...

Data representing transshipment or re-exports are almost always excluded from analytical portrayals of international trade, yet transshipment is potentially an important phenomenon in understanding a number of economic questions, and is increasing in importance. Rapid technological change in...