We evaluate the effect of a preschool health intervention aimed at reducing infections through improved hygiene practices and training of the staff. The large-scale design enables us to study heterogeneous effects with respect to several child and preschool characteristics that are assumed to be...

Early childhood education and care (ECEC) can bring a wide range of benefits – for children, parents and society at large. However, these benefits are conditional on “quality”. Expanding access to services without attention to quality will not deliver good outcomes for children or...

The Nordic countries have remarkably high participation rates of mothers and a moderate decrease of fertility rates compared to other western countries. This has been attributed to the fact that the welfare state model and, especially, the family friendly policies chosen in the Nordic countries...