6 IZA Discussion Papers
IZA Discussion Paper No. 15313
IZA Discussion Paper No. 10480
substantially revised version in: Labour Economics, 2020, 65, 101825,
IZA Discussion Paper No. 8780
revised version published in: Journal of Labor Economics, 2018, 36 (2), 479 - 509
IZA Discussion Paper No. 3617
published in: Economic Letters, 2010, 108 (2), 137-140
IZA Discussion Paper No. 3110
published in: Journal of the Economics of Ageing, 2017, 9, 14-29
IZA Discussion Paper No. 352
published in: Southern Economic Journal, 2003, 69 (4), 822-841