9 IZA Discussion Papers
IZA Discussion Paper No. 15720
IZA Discussion Paper No. 12812
published in: Health Economics, 2021, 30 (S1), 105 - 118
IZA Discussion Paper No. 11797
IZA Discussion Paper No. 11611
IZA Discussion Paper No. 9890
IZA Discussion Paper No. 6803
forthcoming in: CESifo Economic Studies
IZA Discussion Paper No. 6744
IZA Discussion Paper No. 5031
published in: B.E. Journal of Economic Analysis and Policy (Contributions), 2012, 12(1): 1935-1682
IZA Discussion Paper No. 4535
published in European Economic Review 56(4):814–829