2 IZA Discussion Papers
IZA Discussion Paper No. 8612
revised version published in: CESifo Economic Studies, 2016, 62 (4), 595-623
IZA Discussion Paper No. 3907
revised version published as 'The Effect of Delaying Motherhood on the Second Childbirth in Europe' in: Journal of Population Economics, 2011, 25 (1), 291-321