Does working time causally affect workers' health? We study this question in the context of a French reform which reduced the standard workweek from 39 to 35 hours, at constant earnings. Our empirical analysis exploits variation in the adoption of this shorter workweek across employers, which is...

We study the effects of preschool attendance on children's school progression and cognitive skills in Kenya and Tanzania. Our analysis uses novel data from large-scale household surveys of children's literacy and numeracy skills, which also collect retrospective information on preschool...

Following a landmark ruling by the Constitutional Court in 2005, more than half of Germany's universities started charging tuition fees, which also applied to incumbent students. We exploit this unusual lack of grandfathering together with register data covering the universe of students to show...

Following a landmark ruling by the Constitutional Court in 2005, more than half of Germany's universities started charging tuition fees, which also applied to incumbent students. We exploit this unusual lack of grandfathering together with register data covering the universe of students to show...

We study the effects of two dimensions of teacher quality, subject knowledge and didactic skills, on student learning in francophone Sub-Saharan Africa. We use data from an international large-scale assessment in 14 countries that include individual-level information on student achievement and...

Following a landmark court ruling in 2005, more than half of Germany’s universities started charging tuition fees, which were subsequently abolished until 2015. We exploit the unusual lack of grandfathering in these policies to show that fees increase study effort and degree completion among...