This paper examines the fundamental assumptions within the statistical analysis of discrimination and credit risk and the impact these flawed models had on the mortgage market ranging from false findings of discrimination to incorrectly detecting the future rise of default rates. Serving as a...

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...

It is obvious that holding city population constant, differences in cities across the world are enormous. Urban giants in poor countries are not large using measures such as land area, interior space or value of output. These differences are easily reconciled mathematically as population is the...