Job search, locus of control, and internal migration / Marco Caliendo (University of Potsdam, IZA, DIW and IAB), Deborah A. Cobb-Clark (University of Sydney, IZA and ARC Life Course Centre), Juliane Hennecke (Free University of Berlin), Arne Uhlendorff (CNRS, CREST, IAB, IZA and DIW). Bonn : IZA, 2015