“…They demonstrate that, by allowing a certain proportion of highly-skilled individuals to emigrate to a richer country, the government of the home country can stimulate expected returns to schooling so as to obtain the socially desirable level of human 4 Some of the early contributions to this literature include Bhagwati and Hamada (1974), Djajić (1989), Miyagiwa (1991), Mountford (1997), Wong (1997), Stark et al (1997), Vidal (1998), and Wong and Yip (1999). See also Klein and Ventura (2009), Benhabib and Jovanovic (2012), Ortega andPeri (2014), di Giovanni et al (2015), and Docquier et al (2017and Docquier et al ( , 2018 for more recent analysis of the welfare implications at the global level.…”