4 IZA Discussion Papers
IZA Discussion Paper No. 12735
published in: Economica, 2022, 89 (355), 627-646.
IZA Discussion Paper No. 10828
published in: Research Policy, 2018, 47(4), 805-813
IZA Discussion Paper No. 10676
IZA Discussion Paper No. 5981
published as 'The Rising Postgraduate Wage Premium' in: Economica, 2016, 83, 281-306