“…For example, the UNCTAD has estimated that each African professional migrant represents, on average, a loss of 184,000 US dollars to Africa, see, among others, Oyowe (1996) Mills et al (2008). From the point of view of the receiving countries, Saraladevi et al (2009) note that in the United Kingdom, "each qualifying doctor costs £200,000-£250,000 and 5-6 years to train, so in economic terms, every doctor arriving in the United Kingdom is appropriating human capital at zero cost for the use of the UK health services and the effect is immediate rather than in 5 years' time" (p. 62).…”