This chapter surveys new data sources employed in urban and regional economics in the past decade and the insights they have enabled. We first provide a primer on the data sources, including ...

The standard view of housing markets holds that the flexibility of local housing supply–shaped by factors like geography and regulation–strongly affects the response of house prices, house quantities ...

We use matched employer-employee data to study where Americans live in relation to employer worksites. Mean distance from employee home to employer worksite rose from 15 miles in 2019 to 26 miles in ...

We analyze admissions and transcript records for students at multiple Ivy-Plus colleges to study the relationship between standardized (SAT/ACT) test scores, high school GPA, and first-year college ...

There is growing recognition of the relative importance of anthropogenic emissions of methane as a contributor to global climate change. An important source of such emissions in some countries, ...

We estimate intergenerational mobility of immigrants and their children in fifteen receiving countries. We document large income gaps for first-generation immigrants that diminish in the second ...

We measure whether expert patients – those trained as physicians and nurses – have fewer emergency department visits and the reasons for these differences. Relative to similar patients physicians and ...

Technological advances and genomic sequencing opened the road to personalized medicine: specialized therapies targeted to patients displaying specific molecular alterations. For instance, targeted ...

We generalize the seminal Gibbons-Ross-Shanken test to the empirically relevant case where the number of test assets far exceeds the number of observations. In such a setting, one needs to use a ...

Extending the theoretical framework of Carnehl and Schneider (2025), we analyse how decision-makers leverage AI to improve precision within well-defined knowledge domains. We identify conditions under ...

New York City became the first city in the United States to introduce a fee for vehicles entering its central business district (CBD). Using Google Maps Traffic Trends, we show that the policy ...

We study capital regulation in a dynamic model for bank deposits. Capital regulation addresses banks’ incentive for excessive leverage that dilutes depositors, but preserves some dilution to reduce ...