The stylized fact that the fraction of workers who are college graduates appears to increase more in US cities where the initial share is larger has attracted significant attention. Furthermore, more educated cities appear to grow faster. These two trends could portend the divergence of cities...

Tests based on years of education find that the return to human capital in cities varies inversely and average education varies directly with housing cost. Finally, there is evidence that labor productivity within cities varies directly with employment density and real estate cost. The income...

This paper studies how the changing geographic distribution of skilled workers in the US affects theoretical models that use Gibrat's law to explain the size distribution of cities. In the empirical literature, a divergence hypothesis holds that college share increases faster in cities where...