For a very long time, the areas available for continuous long-distance trade were limited to territories the size of Braudel's Mediterranée (1949). Whatever the commercial organizations (merchants in the Roman or the Fatimid Empires, the Hanseatic League, the Florentine Companies), their trade...

International trade became much less multilateral during the 1930s. Previous studies, looking at aggregate trade flows, have argued that discriminatory trade policies had comparatively little to do with this. Using highly disaggregated information on the UK's imports and trade policies, we find...