This article evaluates the long-term effects of class size in primary school. We use rich data from Sweden and exploit variation in class size created by a maximum class size rule. Smaller classes in the last three years of primary school (age 10 to 13) are beneficial for cognitive and...

Recent immigrants tend to locate in ethnic "enclaves" within metropolitan areas. The economic consequence of living in such enclaves is still an unresolved issue. We use data from an immigrant policy initiative in Sweden, when government authorities distributed refugee immigrants across locales...

This article evaluates the long-term effects of class size in primary school. We use rich data from Sweden and exploit variation in class size created by a maximum class size rule. Smaller classes in the last three years of primary school (age 10 to 13) are beneficial for cognitive and...