Why do some people become entrepreneurs (and others don't)? Why are firms so heterogeneous, and many firms so small? To start, the paper briefly documents evidence from the empirical literature that the relationship between entrepreneurship and education is U-shaped, that many entrepreneurs...

Integrating Roy with Becker, this paper studies occupational choice and matching in the labor market. Our model generates occupation earnings distributions which are right skewed, have firm fixed effects, and large changes in aggregate earnings inequality without significant changes in within...