Does fragmentation of production affect the trade patterns of different countries in similar ways? In contrast with current theories of vertical specialization, attempts to provide empirical evidence on this question have been based, in the vast majority of cases, only on a statistical analysis...

We compare three theoretical explanations for the positive empirical relationship between importer income per capita and traded goods prices. A first explanation is that consumers with higher incomes demand higher quality goods with higher prices. A second explanation is that wealthier people...

Services trade constitute roughly one-third of trade on a value added basis, and much of this is concentrated in margin services (transport, logistics) linked to trade in goods. However, producer services are also part of the value added contained in traded goods. This is especially true in high...