The author uses a new data set of 24 large, labor-exporting countries using estimates of migration and educational attainment based on United States and OECD records. He uses these new data to address the key policy question: How pervasive is the brain drain from labor-exporting countries?
Geography
Link
http://www-wds.worldbank.org/servlet/WDSContentServer/WDSP/IB/2003/07/08/000094946_03062104301450/Rendered/PDF/multi0page.pdf