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...

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...

In this article we use the unification of Germany in the 1990 to test the hypothesis that the increase of the supply of a production factor generates skill biased technical change. We test for this mechanism in the context of the Acemoglu and Autor (2011) model that allows for endogenous...