4 IZA Discussion Papers
IZA Discussion Paper No. 9014
published as 'The impact of easy and early access to old-age benefits on exits from the labour market: a macro-micro analysis' in: IZA Journal of European Labor Studies, 2016, 5, 18 (2016)
IZA Discussion Paper No. 6116
published in: Journal of African Economies, 2012, 21 (3), 373-408
IZA Discussion Paper No. 2531
IZA Discussion Paper No. 2525