Teachers are increasingly being drawn from the lower parts of the general ability distribution, but it is not clear how this affects student achievement. We track the position of entering teachers in population-wide cognitive and non-cognitive ability distributions using school grades and draft...

We study the intergenerational transmission of cognitive and non-cognitive abilities between parents and sons using population-wide enlistment data. Conscripts are evaluated at the same age and with comparable methods across cohorts, and we correct for measurement error bias in fathers' ability...

We document a significant increase in the sorting of workers by cognitive and non-cognitive skills across Swedish firms between 1986 and 2008. The weight of the evidence suggests that the increase in sorting is due to stronger complementarities between worker skills and technology. In...