Presentation 'The Role of the Welfare State in Intra-European Migration Decisions' door Petra de Jong tijdens de State of the Art Conference 'The Trilemma of the 21st Century: Migration, Demography and Climate Change' organised by Ministry of Justice and Safety in The Hague. Authors: Petra de Jong (NIDI-KNAW), Alicia Adsera, Helga A.G. de Valk (NIDI-KNAW).