van Dalen, Hendrik P.; Groenewold, George; Schoorl, … - 2003
out of Africa, especially in Ghana and Senegal. Signs of positive selection with respect to the level of education of …This paper evaluates the strength of social and economic forces that affect the pressure to emigrate 'out of Africa …' for four distinctly different African countries (Morocco, Egypt, Senegal and Ghana). In general, great expectations about …