4 IZA Discussion Papers
IZA Discussion Paper No. 16520
IZA Discussion Paper No. 10474
published in: Journal of Economic Literature 2018, 56 (3), 1119–1155
IZA Discussion Paper No. 10200
published in: Journal of the European Economic Association 2020, 18 (3), 1351 - 1399
IZA Discussion Paper No. 8300
published in: Economic Journal, 2017, 127 (604), 2127-2152