6 IZA Discussion Papers
IZA Discussion Paper No. 16657
revised version published in: Journal of Economic Behavior and Organization, 2024, 227, 106739
IZA Discussion Paper No. 13442
forthcoming in: Journal of Human Resources, 2023
IZA Discussion Paper No. 13103
IZA Discussion Paper No. 7884
published in: Journal of Comparative Economics, 2017, 45 (2), 344-365
IZA Discussion Paper No. 3766
revised version published as 'Have returns to education changed in Nigeria? Uncovering the role of democratic reforms' in: Journal of African Economies, 2011, 20 (5), 737-780
IZA Discussion Paper No. 2170
published in: T. Sandler and K. Hardley (eds.), Handbook of Defense Economics Vol. 2, Elsevier 2007