6 IZA Discussion Papers
IZA Discussion Paper No. 15058
IZA Discussion Paper No. 13258
IZA Discussion Paper No. 12913
IZA Discussion Paper No. 11356
published in: American Economic Journal: Economic Policy, 2022, 14 (2), 315–340
IZA Discussion Paper No. 8667
IZA Discussion Paper No. 4781
published in: Basic Income Studies, 2010, 5 (1)