Rainer Bauböck is Professor of Social and Political Theory at the European University Institute, Florence. Previous publications: Transnational Citizenship (1994), From Aliens to citizens (1994), The Challenge of Diversity (1996), Blurred Boundaries (1998), Migration and Citizenship (2006).|Bernhard Perchinig is senior researcher at the Institute for European Integration Research at the Austrian Academy of Sciences.
Wiebke Sievers is researcher at the Institute for Urban and Regional Research of the Austrian Academy of Sciences.