On the value of foreign PhDs in the developing world: Training versus selection effects in the case of South Africa

Müller, Moritz, Robin Cowan and Helena Barnard. 2018. On the value of foreign PhDs in the developing world: Training versus selection effects in the case of South Africa. Research Policy, 47(5), 886–900. https://doi.org/10.1016/j.respol.2018.02.013