, Europe, and Oceania for the period from 1870 to 2000 and demonstrate an overriding role for declining trade costs in the pre-World … War I trade boom. In contrast, for the post-World War II trade boom we identify changes in output as the dominant force …

, Europe, and Oceania for the period from 1870 to 2000 and demonstrate an overriding role for declining trade costs in the pre-World … War I trade boom. In contrast, for the post-World War II trade boom we identify changes in output as the dominant force …

, Europe, and Oceania for the period from 1870 to 2000 and demonstrate an overriding role for declining trade costs in the pre-World … War I trade boom. In contrast, for the post-World War II trade boom we identify changes in output as the dominant force …

, Europe, and Oceania for the period from 1870 to 2000 and demonstrate an overriding role for declining trade costs in the pre-World … War I trade boom. In contrast, for the post-World War II trade boom we identify changes in output as the dominant force …