Is international academic migration stimulating scientific research and innovation?

Higher education and academic research are among the most rapidly globalising systems. Today, around 5 million students study and do research in a country other than their own, attracted by the quality of overseas universities and willing to complement their education portfolio with international experience. Employers generally value the impact international education has on the skills and mind-set of graduates, and see international experience as indispensable for future global leaders. - See more at: http://oecdeducationtoday.blogspot.co.id/#sthash.TIxr1i9v.dpuf