Given the wide use of childcare subsidies across countries, it is surprising how little we know about the effect of these subsidies on children's longer run outcomes. Using a sharp discontinuity in the price of childcare in Norway, we are able to isolate the effects of childcare subsidies on...

The foundations for successful child development are established in early childhood. Two main policy approaches for strengthening these foundations have been subsidized preschool programs and programs targeting the home environment. Our chapter reviews a large body of empirical work...

A variety of public campaigns, including the "Just Say No" campaign of the 1980s and 1990s that encouraged teenagers to "Just Say No to Drugs", are based on the premise that teenagers are very susceptible to peer influences. Despite this, very little is known about the effect of school peers on...

Does it matter when a child starts school? While the popular press seems to suggest it does, there is limited evidence of a long-run effect of school starting age on student outcomes. This paper uses data on the population of Norway to examine the role of school starting age on longer-run...

Understanding whether, and in what situations, time spent in prison is criminogenic or preventive has proven challenging due to data availability and correlated unobservables. This paper overcomes these challenges in the context of Norway's criminal justice system, offering new insights into how...

We document the degree of educational assortative mating, how it evolves over time, and the extent to which it differs between countries. Our analysis focuses on the U.S. but also uses data from Denmark, Germany, the U.K., and Norway. We find evidence of positive assortative mating at all levels...

Research increasingly shows that differences in endowments at birth need not be genetic but instead are influenced by environmental factors while the fetus is in the womb. In addition, these differences may persist well beyond childhood. In this paper, we study one such environmental factor -...