“…In other words, economic migration theory suggests that migration flows are mostly driven by wage differentials between different regions or (temporary) differences in employment opportunities between countries (Borjas, 1989;Constant & Massey, 2002;Czaika, 2015;Czaika & de Haas, 2014). Relatedly, emigration has been shown to increase in case of higher inequality within a country (Czaika, 2013;Stark et al, 2009;Vezzoli, 2015) or political push factors such as state violence (Hatton, 2009;Moore & Shellmann, 2007). More sociological yet complementary explanations point to the importance of more non-economic factors such as cultural distance, language barriers, social and family networks or personal obstacles and motivations (Herman, 2006;Hoffmann-Nowotny, 1981;Richmond, 1988).…”