We study labor-market returns to vocational versus general secondary education using a regression discontinuity design created by the centralized admissions process in Finland. Admission to the vocational track increases annual income by 7 percent at age 31, and the benefits show no signs of...

Prior to the introduction of mother tongue based education in 1994, the language of instruction for most subjects in Ethiopia's primary schools was the official language (Amharic) - the mother tongue of only one third of the population. This paper uses the variation in individual's exposure to...

Prior to the introduction of mother tongue-based education in 1994, the language of instruction for most subjects in Ethiopia's primary schools was the official language (Amharic) - the mother tongue of only one third of the population. This paper uses the variation in individual's exposure to...

We study an intensive math instruction policy that assigned low-skilled 9th graders to an algebra course that doubled instructional time, altered peer composition and emphasized problem solving skills. A regression discontinuity design shows substantial positive impacts of double-dose algebra on...

Income and earning inequality has been on the rise in most of the OECD and in many emerging economies since the 1980s. This paper estimates a model of earnings inequality across OECD countries that incorporates determinants of relative demand and supply of more and less-skilled labour. Drawing...