Persistently high workload may raise sickness absence with associated costs to firms and society. We proxy workload by the number of adults per child in Norwegian child care centers, but do not find that centers with many adults per child have lower sickness absence than other centers. However,...

Proficiency in the language spoken by the majority population may be crucial for the cognitive development of children from immigrant families. High-quality child care is believed to promote such language skills, and it is thus of concern that children from immigrant families are...

Encouraging effects from random assignments of intensive and high-quality early child care to disadvantaged children have spurred hopes that publicly funded universal child care can improve human development and social mobility. However, in a universal system advantaged parents can improve the...

Two districts of Oslo started to offer five-year-old children free preschool four hours a day. We analyze the effect of this intervention on the school performance of the children from immigrant families 10 years later (age 16). Our difference-in-difference approach takes advantage of the...