Leuven, Edwin; Oosterbeek, Hessel; Rønning, Marte - In: Scandinavian Journal of Economics 110 (2008) 4, pp. 663-693
Using a comprehensive Norwegian administrative database, we exploit independent quasi-experimental methods to estimate the effect of class size on student achievement at the end of lower-secondary school. Identification based on maximum class-size rules and population variation (and variations...