8 IZA Discussion Papers
IZA Discussion Paper No. 14442
IZA Discussion Paper No. 13901
IZA Discussion Paper No. 13780
IZA Discussion Paper No. 12792
IZA Discussion Paper No. 12544
IZA Discussion Paper No. 11755
published in: Journal of Health Economics, 2019, available online 15 November 2019 (in press)
IZA Discussion Paper No. 8487
published in: Economic Journal, 2018, 128(608), 298-329