Out-Migration and Return Migration of Puerto Ricans

Fernando Ramos, Immigration and the Work Force: Economic Consequences for the United States and Source Areas (University of Chicago Press, 1992), chap. 2, https://www.nber.org/books-and-chapters/immigration-and-work-force-economic-consequences-united-states-and-source-areas/out-migration-and-return-migration-puerto-ricans.