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...

International student exchange has become an important part of university-level studiesand the EU plans to increase it significantly. Weanalyze how international student exchange affects students’ academic human capital. Usingdetailed student-level data fromfour faculties (Economics and...

Why is invention strongly positively correlated with parental income not only in the US but also in Finland which displays low income inequality and high social mobility? Using data on 1.45M Finnish individuals and their parents, we find that: (i) the positive association between parental income...