Borjas (1987, 1991 and 1994) developed the self-selection theory, applying Roy's model (1951) to migration studies. He establishes that the characteristics of migrants in terms of skills and abilities are driven by wage distribution differences between the host country and home. In this regard,...

In the last few years, issues related to international migration are receiving increasing attention from policy makers. This reflects mainly the changes in the magnitude and composition of migration flows. Net migration into the EU has risen again during the period 1998 to 2003. With an overall...