Greenwood, Michael J.; Ward, Zachary - In: Explorations in Economic History 55 (2015) C, pp. 76-96
Little is known about international return migration because governments rarely track out-migrants. However, one exception occurred early in the 20th century when the United States kept records of emigrants. Using within-country changes in quota allocations in 1921, 1924, and 1929 in combination...