The Relationship Between Urban Density and Affluence

As population has migrated from “rural” to “urban” locations, affluence has also risen.  What is the relationship between population density and standard of living?  Is there an ideal population density for maximizing affluence?  And what are the policy implications of this relationship?  We’ll explain.

In a recent New York Times article columnist Farhat Manjoo states: “Cities are the standard .....