"We use a new measure of total trade costs at the bilateral country level to examine the change in international trade integration between 1870 and 1913. Trade costs are lowest amongst the most developed countries and highest in the peripheral and poor countries. On average, our measure declined...

"Although many modern studies find large and significant effects of prior colonial status on bilateral trade, there is very little empirical research that has focused on the contemporaneous impact of empire on trade. We employ a new database of over 21,000 bilateral trade observations during the...

"The 1990's dealt a blow to traditional Heckscher-Ohlin analysis of the relationship between trade and income inequality, as it became clear that rising inequality in low- income countries and other features of the data were inconsistent with that model. As a result, economists moved away from...