102 IZA Discussion Papers
IZA Discussion Paper No. 218
published in: Journal of Business and Economic Statistics, 2004, 22 (3), 312-321
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.