2 IZA Discussion Papers
IZA Discussion Paper No. 7221
published in: Applied Economics Letters 2013, 20 (10), 983-986
IZA Discussion Paper No. 5888
substantially revised version published as 'Full-Time Universal Childcare in a Context of Low Maternal Employment: Modest but Persistent Effects' in: Labour Economics, 2015, 36, 124 - 136