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Research
Empirical work on how economies adjust
I combine historical records, administrative data, and modern causal methods to study labor markets and public policy.
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Research Working Paper 22-12 · Revised 2026
Immigration Restrictions and the Wages of Low-Skilled Labor: Evidence from the 1920s
with Jeff Biddle
Using newly digitized annual wage data, we show that low-skilled wages rose faster in labor markets more exposed to the 1920s immigration quotas.
ImmigrationLaborEconomic history
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Research Working Paper 25-05 · 2025
Measuring the Spectrum of Occupational Emissions
with Nida Çakır Melek
New occupation-level measures trace direct and supply-chain exposure to emissions-intensive production across workers, industries, and places.
OccupationsEnergy transitionRegional
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Review of Industrial Organization · 2026
Revisiting Adam Smith and the Division of Labor: New Evidence from U.S. Occupational Data
with Nicholas A. Carollo and Jingyi Huang
Original occupational titles from 1860–1940 reveal how the extent of the market shaped specialization during U.S. industrialization.
Occupational changeInnovationEconomic history
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American Economic Journal: Applied Economics · 2024
Housing the Homeless: The Effect of Placing Single Adults in Housing Programs
single-authored
Quasi-random case-manager assignment shows that Housing First reduces homelessness and crime while improving employment and income.
HousingHomelessnessPublic economics
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American Economic Journal: Applied Economics · 2023
The Effect of Immigration Restrictions on Local Labor Markets: Lessons from the 1920s Border Closure
with Ran Abramitzky, Philipp Ager, Leah Boustan, and Casper W. Hansen
The national-origins quotas transformed local labor markets, accelerating capital investment and changing native employment and occupational upgrading.
ImmigrationTechnologyLocal labor markets
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Research Working Paper 23-10 · Updated 2024
Economic Benefits and Social Costs of Legalizing Recreational Marijuana
with Jason P. Brown and Alison Felix
A staggered difference-in-differences design finds moderate, broadly shared economic gains alongside more concentrated social costs.
Policy evaluationRegionalHealth
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