During the last decades the appearance of a family has changed substantially. Not long ago a typical family consisted of an employed man and a home-managing woman living together for their whole life times, and having one or more children, which primarily were raised by the wife. Today differing...

There is a rich history of using data from twins and from adoptees to control for genetic influences and thereby examine the impact of environment on children's outcomes. The behavioral genetics model is the workhorse of this literature and for a variety of outcomes including IQ scores and...

One would expect that family income is an important positive factor in the school attainment of children. However, evidence on this relationship is often tainted by the lack of control for parental ability, since at least a portion of ability is transferred genetically to children. This paper...