This paper evaluates the long-term effects of class size in primary school. We use rich administrative 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 not only beneficial for...

This paper evaluates the long-term effects of class size in primary school. We use rich administrative 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 not only beneficial for...

This paper proposes a new approach to identify the wage effects of training.The idea is to narrow down the comparison group by only taking into consideration theworkers who wanted to participate in training but did not do so because of some randomevent. The point estimate of the return to...