This study investigates whether foreign origin teachers causally affect their students language skills in secondary school. Exploring within-student variation in assignment to teachers, I find that teachers who are immigrants or descendants of immigrants significantly increase the reading...

Bovenberg and Jacobs (2005) and Richter (2009) derive the education efficiency theorem: In a second-best optimum, the education decision is undistorted if the function expressing the stock of human capital features a constant elasticity with respect to education. I drop this assumption. The...