ACQUISITION AND LOSS: POLICIES AND TRENDS IN 15 EUROPEAN COUNTRIES: VOLUME 1 (IMISCOE RESEARCH)

|Rainer Baub�ck 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).|Kees Groenendijk is professor of Sociology of Law at Radboud University Nijmegen in the Netherlands. Previous publications: The Legal Status of Third Country Nationals who are Long Term Residents in a Member State of the European Union (2001), In Search of Europe's Borders (2003), Report on the Free Movement of Workers in the Netherlands in 2004 (2005).|Eva Ersb�ll is researcher at the Danish Institute for Human Rights in Copenhagen. Her book on Danish nationality in a historical and international perspective will be published in 2007.|Harald Waldrauch was previously a researcher at the European Centre for Social Welfare Policy and Research in Vienna. He now works for the Commonwealth Bank of Australia. Previous publications: Die Integration von Einwanderern (2001), MigrantInnenorganisationen in der Gro�stadt (2004).