6 IZA Discussion Papers
IZA Discussion Paper No. 15399
IZA Discussion Paper No. 9821
published in: Robert Holzmann and John Piggott (eds.), The Taxation of Pensions, Cambridge MA: MIT Press, 2018.
IZA Discussion Paper No. 7518
published in: Journal of Pension Economics and Finance, 2014, 13 (4), 439-459
IZA Discussion Paper No. 3521
IZA Discussion Paper No. 1544
IZA Discussion Paper No. 961
published in: De Economist, 2006, 154 (1), 63-83