105 IZA Discussion Papers
IZA Discussion Paper No. 1312
published in: Journal of Health Economics, 2008, 27 (5), 1312-1325
IZA Discussion Paper No. 1196
published in Review of Economic Studies, 2006, 73 (4), 1057-1084
IZA Discussion Paper No. 735
published in: J. Gruber and D. Wise, (eds.), “Social Security Programs and Retirement around the World: Fiscal Implications of Reform”, 2007, University of Chicago Press and NBER
IZA Discussion Paper No. 667
published in: M. Herfurth, M. Kohli and K. F. Zimmermann (eds.), Arbeit in einer alternden Gesellschaft (Labor in an Aging Society), Leverkusen: Leske+Budrich, 2003, 131-177
IZA Discussion Paper No. 574
published in: Economic Development and Cultural Change, 2004, 53 (1), 131-56