technology. Even today less than half of the school-age children are going to school. Some common but many of them disputed … perceptions about lower school-enrolment rate, at the household level are that the younger age children, younger in their brothers … and sisters, male children, and the children from educated parents; high-income households; smaller households; wealthy …

- 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 …