This contribution develops a theory on the impact of differentiation on integration and unity among EU member states and discusses empirical evidence from four policy areas. According to the theory, the centripetal effects of closer cooperation among willing EU members on initially unwilling...

Globalization has attained a prominent place on the sociological agenda, and stratification scholars have implicated globalization in the increased income inequality observed in many advanced capitalist countries. But sociologists have given much less attention to a different but increasingly...

Im November 2007 hat Prof. Dr. Wim Kösters sein 65. Lebensjahr vollendet. Dieses Ereignis ist Anlass, ihm die vorliegende Festschrift zu widmen. Wim Kösters wurde am 26. November 1942 in Greven / Kreis Steinfurt geboren. Er studierte von 1963 bis 1968 Volkswirtschaftslehre an der...