Each worker belongs to either the majority or the minority group and, irrespective of the group she belongs to, can have good or bad work habits. These traits are transmitted from one generation to the next through a learning and imitation process which depends on parents' purposeful investment...

As global migration flows increase, so do the number of migrant students in host country schools. Yet migrants' achievement scores lag well behind those of their nativeborn schoolmates. Performance gaps are explained largely by differences in migrant parents' socio-economic background, cultural...