“…Contemporaneously, the level of economic inequality between sending and receiving countries decreased significantly, as evidenced by smaller differences between the levels of The beginning of the 1990s gave way to new patterns of migration in Europe (Zimmermann, 2005;Van Mol and de Valk, 2016). The fall of the Iron Curtain triggered a wave of East-West migration from Eastern Europe, much of it ethnically driven (e.g., ethnic Germans from Poland and Romania moving to Germany) (OECD, 2001). Ten countries joined the EU in 2004 (Cyprus, Czechia, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, and Slovenia), followed by Bulgaria and Romania in 2007, and Croatia in 2013.…”