In this chapter, we describe long-run trends in global merchandise trade and immigration from 1870 to 2010. We revisit the reasons why these two forces moved largely in parallel in the decades leading up to World War I, collapsed during the interwar period, and then rebounded (but with much more...

What has driven trade booms and trade busts in the past and present? We derive a micro-founded measure of trade frictions from leading trade theories and use it to gauge the importance of bilateral trade costs in determining international trade flows. We construct a new balanced sample of...

What has driven trade booms and trade busts in the past and present? We derive a micro-founded measure of trade frictions from leading trade theories and use it to gauge the importance of bilateral trade costs in determining international trade flows. We construct a new balanced sample of...

For all its importance, there still is no comprehensive quantitative assessment of the Suez Canal's opening in 1869. We find that it led to a 72% relative increase in bilateral exports for affected country pairs and a likely permanent increase in world trade. With respect to the composition of...

What has driven trade booms and trade busts in the past and present? We derive a micro-founded measure of trade frictions from leading trade theories and use it to gauge the importance of bilateral trade costs in determining international trade flows. We construct a new balanced sample of...