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Using a privacy-preserving automated pipeline, we classify usage patterns within a representative sample of ChatGPT conversations. We find steady growth in work-related messages but even faster growth ...

The Longitudinal Tract Data Base’s (LTDB) panel of Census tracts is the standard tool for measuring neighborhood change. The LTDB is based on 2010 Census tract boundaries, and Census tracts are ...

This paper revisits the relationship between international trade, trade policy, and development in light of the structural, ...

Digital payment platforms can displace cash and extend financial services to underserved populations, yet many adults worldwide remain unbanked. Leveraging granular microdata on individual ...

Contrary to this assumption, we document that underemployment of quasi-fixed inputs or low capacity utilization rates (CUR) is common across firms, especially in poor countries. Low CURs are ...

We examine how healthcare providers’ opioid prescriptions are affected by changes in their home values, which proxy for shocks to their wealth. We find that providers increase opioid prescriptions ...

This paper estimates the effects of moving away from violent environments into safer areas on migrants' academic achievement in the context of the Mexican war on drugs. Using student location choices ...

Banks can use the discount window to fend off a run by prepositioning assets with the Fed and borrowing against them. Following the March 2023 bank runs, policymakers have considered mandatory ...

When exposed to greater physical and transition climate risks, are firms more likely to engage in climate mitigation, climate adaptation, or/and political strategies? This study examines this question ...

This paper provides the first nationwide evidence on how electric vehicle (EV) adoption has improved both air quality and child health. We assemble a rich dataset from 2010–2021 that links ...

This paper examines when and why entrepreneurs choose to standardise their ventures and make themselves replaceable, extending Rajan's (2012) analysis within a property rights framework. A model is ...