This paper reviews recent research on geography and trade. One of the key empirical
findings over the last decade has been the role of geography in shaping the distributional …

Low levels of social interaction across class lines have generated widespread concern,,–
and are associated with worse outcomes, such as lower rates of upward income mobility …

Traditional understanding of urban income segregation is largely based on static coarse-
grained residential patterns. However, these do not capture the income segregation …

We study partisan differences in Americans' response to the COVID-19 pandemic. Political
leaders and media outlets on the right and left have sent divergent messages about the …

The penetration of devices integrated with location-based services and internet services has
generated massive data about the everyday life of citizens and tracked their activities …

High-income business service workers dominate the economies of major US cities, and their
spending supports many local consumer service jobs. As a result, business services' high …

Density boosts productivity and innovation, improves access to goods and services, reduces
typical travel distances, encourages energy efficient construction and transport, and allows …

We estimate a measure of segregation, experienced isolation, that captures individuals'
exposure to diverse others in the places they visit over the course of their days. Using Global …

We study the problem of measuring group differences in choices when the dimensionality of
the choice set is large. We show that standard approaches suffer from a severe finite …

We explore the impact of rising incomes at the top of the distribution on spatial sorting
patterns within large US cities. We develop and quantify a spatial model of a city with …