Policy debates in education are often framed by using international test scores, such as the Programme for International Student Assessment (PISA). The obvious presumption is that observed differences in test scores within and across countries reflect differences in cognitive skills and general...

This study examines the impact of children's age within grade on school victimization in elementary school. Identification of age effects relies on the instrumental variables approach drawing on official school entry age rules based on children's month of birth. The empirical analysis uses the...