254 IZA Discussion Papers
IZA Discussion Paper No. 196
revised version published as' Complementarity and Custom in Wage Contract Violation' in: Review of Economicss and Statistics, 2009, 91 (4), 832 - 849
IZA Discussion Paper No. 153
published in: Journal of the Royal Statistical Society, Series A (Statistics in Society), 2005, 168 (1), 207-231
IZA Discussion Paper No. 144
published in: Jonas Agell, Michael Keen and Alfons Weichenrieder (eds.), Labor Market Institutions and Public Regulation, 2004, 101-122
IZA Discussion Paper No. 139
published in: Jahrbücher für Nationalökonomie und Statistik, 2008, 228 (5-6), 446-464, (Special Issue: Labormetrics)