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

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 …

This paper investigates a number of general phenomena connected with consumer
behaviour in response to a severe economic shock, using billions of French card …

Robots may one day rule the world, but what is a robot-ruled Earth like? Many think the first
truly smart robots will be brain emulations or ems. Scan a human brain, then run a model …

This paper reviews recent quantitative urban models. These models are sufficiently rich to
capture observed features of the data, such as many asymmetric locations and a rich …

Evaluation of observed sea level rise impacts to date has emphasized sea level extremes,
such as those from tropical cyclones. Far less is known about the consequences of more …

We show how to use commuting flows to infer the spatial distribution of income within a city.
A simple workplace choice model predicts a gravity equation for commuting flows whose …

This paper investigates the effects of the pandemic containment periods in France on
individuals' movements, expenditure and adaptation to the shock, using billions of French …

Consumers access foreign goods by purchasing them domestically or shopping abroad. We
present new facts on cross-border shopping by Swiss households showing, for example …

We provide new theory and evidence on the role of consumption access in understanding
the agglomeration of economic activity. We combine smartphone data that records user …