administrative register data on 25000 genotyped Norwegian children and their parents. We assess and disentangle the relative … importance of genetics and social background for children's standardized academic test scores. Norway offers a particularly … opportunity structures for children. The results point to genetics only confounding the parent status-offspring achievement …

The stylized fact that individuals who come from families with more children are disadvantaged in the schooling process … children's educational achievement might be spurious. We extend these recent analyses of spuriousness versus causality using a … sibship size on children's private school attendance and on their likelihood of being held back in school. Specifically, we …