2 IZA Discussion Papers
IZA Discussion Paper No. 3680
revised version published as 'Civil Society and the State: The Interplay Between Cooperation and Minimum Wage Regulation' in: Journal of the European Economic Association, 2011, 9 (1), 3 - 42
IZA Discussion Paper No. 1968
published as 'Are Good Industrial Relations Good for the Economy?' in: German Economic Review, 2009, 10 (3), 253 - 269