“…intergenerational transmission of education, family size, teenage births, mobility in the labour market, IQ and earnings (Aakvik, Salvanes, & Vaage, 2010;Black, Devereux, & Salvanes, 2005, 2008Machin, Salvanes, & Pelkonen, 2012). The current dataset has been designed in a similar way to the design of Salvanes and co-workers (for details see Aakvik, Salvanes, & Vaage, 2010;Black, Devereux, & Salvanes, 2005).…”