2 IZA Discussion Papers
IZA Discussion Paper No. 2593
published in: Papers in Regional Science, 2009, 88(1), 181-207
IZA Discussion Paper No. 129
published in: Bassi, L. J./Woodbury, S. A. (eds.), Long-Term Unemployment and Reemployment Policies (Research in Employment Policy, V. 2), Stamford, Conn. (2000), 87-115.