Observers of Silicon Valley’s computer cluster report that employees move rapidly between competing firms, but evidence supporting this claim is scarce. Job-hopping is important in computer clusters because it facilitates the reallocation of talent and resources toward firms with superior...

Using the rich data from the National Longitudinal Survey of Youth, we show that several dimensions of college quality have positive impacts on young women's wages. We find evidence of ability sorting, but controlling for ability, women who attend higher quality colleges earn higher wages. Women...

Using the rich data from the National Longitudinal Survey of Youth, we show that several dimensions of college quality have substantial positive impacts on young men's wages. This finding is robust to a wide array of alternative specifications. Controlling for ability reveals that sorting of...