Chiswick, Barry R.; Hatton, Timothy J. - Institute for the Study of Labor (IZA) - 2002
, immigration restrictions and the Great Depression resulted in a period of low international migration (1913 to 1945). In the post …-World War II period international migration again increased sharply, but with changes in the nature of the flows, and under the … countries bordering the Persian Gulf. The paper then explores the reasons for this international migration. Important factors …