8 IZA Policy Papers
IZA Policy Paper No. 156
IZA Policy Paper No. 120
IZA Policy Paper No. 97
published in: the Journal of Common Market Studies, 2016, 54 (5), 1123-1141
IZA Policy Paper No. 47
IZA Policy Paper No. 39
published in: CESifo Forum, 2012, 13 (1), 3-9
IZA Policy Paper No. 33
published in: Intereconomics, 2012, 47 (1), 31-38
IZA Policy Paper No. 11
published in: The Geneva Papers on Risk and Insurance - Issues and Practice, 2009, 34, 548-560