49 IZA Discussion Papers
IZA Discussion Paper No. 6347
IZA Discussion Paper No. 6107
IZA Discussion Paper No. 5281
IZA Discussion Paper No. 4643
completely revised version published as 'On Cooperation in Open Communities' in: Journal of Public Economics, 2014, 120, 220–230
IZA Discussion Paper No. 3317
published as "Does Philanthropy Reduce Inequality?" in: Journal of Economic Inequality, 2011, 9 (1), 1-21
IZA Discussion Paper No. 2334
published in: Contemporary Economic Policy, 2010, 28(1), 36-51
IZA Discussion Paper No. 1492
Downward Nominal Wage Rigidity in Europe: An Analysis of European Micro Data from the ECHP 1994-2001
published in: Empirical Economics, 2009, 36 (2), 321 - 338
IZA Discussion Paper No. 1156
published in: Economics of Education Review, 2008, 27 (1), 79-93