Leuven, E., Oosterbeek, H. and Rønning, M. (2008). Quasi-experimental estimates of the effect of class size on achievement in Norway The Scandinavian Journal of Economics, 110(4):663--693.
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Affiliated author
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Publication year2008
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JournalThe Scandinavian Journal of Economics
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 on these methods) give very similar estimates. We cannot reject that the class-size effect is equal to zero, and can rule out effects as small as 1.5 percent of a standard deviation for a one-student change in class size during three consecutive years.