dilemmas and maintening public goods in human societies. We study the development of cooperation in 929 young children, aged 3 … of defectors is applied. Children also engage in reciprocating others, showing that reciprocity strategies are already … young children fail to anticipate the benefits of reputation building. We also show that the cognitive skills of children …

We present direct evidence on the link between children's patience and educational-track choices years later. Combining … an incentivized patience measure of 493 primary-school children with their high-school track choices taken at least three …

in Germany, either teachers or parents have the discretion to decide which secondary school track a child may attend … increased time investments in students' skill development. Overall, my results suggest that selective admission policies can … lead to permanent improvements in students' educational performances. …

effects on school grades, but these negative effects are largely confined to children born extremely preterm (<28 weeks of … gestation, i.e. born at least 10 weeks earlier). Children born moderately preterm (i.e. born up to 5 weeks early) suffer no ill … school environment is very important for the outcomes of preterm born children, such that those born extremely preterm that …

- to eleven-year old primary school children in the city of Meran, we find that cooperation generally increases with age …, but that the gap between cooperation among in-group members and cooperation towards children speaking another language is …

economic preferences. In our study, the latter are also related in a meaningful way to students' field behavior. …