Metropolitan areas in the US are characterized by enormous differences in average income, earnings, and factor productivity. The income of individuals located in metropolitan areas at the top of the income distribution is more than double the income of observationally similar individuals located in metropolitan areas at the bottom of the distribution. These differences reflect, at least in part, variation in local productivity.
Discussion Paper Number
Moretti, Enrico, "Poverty, Inequality and Cost of Living Differences" (2010). University of Kentucky Center for Poverty Research Discussion Paper Series. 64.