In contrast to the very large literature on skill-biased technical change among workers, there is hardly any work on the importance of skills for the entrepreneurs who employ those workers, and in particular on their evolution over time. This paper proposes a simple theory of skill-biased change...

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...

The recent literature has argued for high concentration of earnings, differences in rates of return on assets and bequests as potential determinants of the high level of wealth concentration in the US. Analyzing the joint distribution of earnings, capital income and net worth, we find evidence...