We evaluate the effect of a preschool health intervention aimed at reducing infections through improved hygiene practices and training of the staff. The large-scale design enables us to study heterogeneous effects with respect to several child and preschool characteristics that are assumed to be...

Early childhood education and care (ECEC) can bring a wide range of benefits – for children, parents and society at large. However, these benefits are conditional on “quality”. Expanding access to services without attention to quality will not deliver good outcomes for children or...

This study estimates the average multivalued treatment effects (ATET), of preschool attendance measured in years, on students' international reading, math and science test z-scores in Grade 4. The causal treatment effects come from multiple-years observational data on three levels of preschool...

Following the great expansion of secondary education in the United States between 1910 and 1940, Sweden was one of the first Western European countries to attempt such an expansion by increasing the years of compulsory schooling and and improving access to academic type education by abolishing...

The impact of compulsory schooling laws as well as the abolition of early selection by ability reamin important issues in the educational debate. These issues were the focus of a major education reform in Sweden which was implemented in the 60s. The reform was preceded by a social experiment ub...

In this paper we evaluate the impact of a major school reform, that took place in the 1950s in Sweden, on educational attainment and earnings. The reform, which has many common elements with reforms in other European countries including the UK, consisted of increasing compulsor schooling,...

Sweden has undertaken major national reforms of its school sector which, consequently, has been classified as one of the most decentralized ones in the OECD. This paper investigates whether school resources became more unequally distributed across municipalities in connection with the reforms...

This paper studies the effects of open-enrolment on student performance in the context of an admission reform in Stockholm. Before 2000, students had priority to the public upper secondary school situated closest to where they lived, but from the fall of 2000 and onwards, admission is based on...