A wide range of sociological and psychological studies have shown that children have different cognitive and behavioural outcomes depending on whether they grow up in intact or non-intact families. These gaps may be attributable to differences in the amounts of time and money parents invest in...

The performance gap in math of immigrant students is investigated using PISA 2012. The gap with respect to non-immigrant schoolmates is first measured. The hypotheses that first (second) generation students coming from (whose parents come from) countries with a higher performance in math fare...