Kluve, J, Card, D, Fertig, M, Góra, M, Jacobi, L, Jensen, P, Leetmaa, R, Nima, L, Patacchini, E, Schaffner, S, Schmidt, C M, van der Klaauw, B & Weber, A 2007, Active Labor Market Policies in Europe : Performance and Perspectives . Springer, Berlin .