5 IZA Discussion Papers
IZA Discussion Paper No. 14782
published in: World Development, 2022, 155, 105813
IZA Discussion Paper No. 8852
published in: Journal of Health Economics, 2016, 45, 12-26.
IZA Discussion Paper No. 5572
published in: Labour Economics, 2011, 18 (4), 453-463
IZA Discussion Paper No. 5367
published as 'The Awarding of PhDs in the United States and Canada: War, the Draft, and Other Economic Determinants' in: Applied Economics, 2015, 47 (28), 2939 - 2958
IZA Discussion Paper No. 5172
published in: Economic Inquiry, 2014, 52 (1), 239-258