5 IZA Discussion Papers
IZA Discussion Paper No. 12960
IZA Discussion Paper No. 12478
published in: Journal of Human Resources, 2022, 57(4), 1242-1275
IZA Discussion Paper No. 11163
IZA Discussion Paper No. 10845
published in: Labour, 2021, 35 (3), 348 - 377
IZA Discussion Paper No. 8141
revised version published as 'Do Internships Pay Off? The Effects of Student Internships on Earnings' in: Journal of Human Resources, 2022, 57 (4), 1242-1275 (joint with Shushanik Margaryan and Mathias Schumann)