Between 1820 and 1990, the share of world income going to today’s wealthy nations soared from twenty percent to almost seventy. Since then, that share has plummeted to where it was in 1900. As Richard Baldwin explains, this reversal of fortune reflects a new age of globalization that is...

Productive factors such as human and physical capital are accumulated and trade can affect the steady-state levels of such factors. Consequently, trade liberalization will have dynamic effects on output and welfare as the economy moves to its new steady state, in addition to its usual static...

This paper demonstrates that several types of dynamic trade effects can be easily quantified, at least roughly. These dynamic effects on output are found to be much larger than the static effects measured by existing empirical studies of trade liberalizations. The paper exposits and measures the...