Many authors have recently suggested that the heterogeneity in the quality of early education may be one of the key mechanisms underlying the intergenerational persistence of earnings. This paper estimates the effect of a major educational reform on the intergenerational income mobility in...

The Finnish comprehensive school reform replaced the old two-track school system with a uniform nine-year comprehensive school and significantly reduced the degree of heterogeneity in the Finnish primary and secondary education. We estimate the effect of this reform on the test scores in the...