3 IZA Discussion Papers
IZA Discussion Paper No. 12014
published in: Italian Economic Journal, 2020, 6 (1), 129-155
IZA Discussion Paper No. 11007
published in: W. Conen and E. Reuter (eds.), Research Handbook on Self-Employment and Public Policy, 2024, 80–98
IZA Discussion Paper No. 9751