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Welcome to my webpage. I'm a professor of economics at Boston University, a research associate at the National Bureau of Economic Research, a research fellow at the Centre for Economic Policy Research, a lead academic for the International Growth Centre in Ghana, an affiliate at BREAD, a co-editor of the Journal of Political Economy, and an associate editor of Econometrica. My main research fields are macroeconomics and development.
Welcome to my webpage. I'm a professor of economics at Boston University, a research associate at the National Bureau of Economic Research, a research fellow at the Centre for Economic Policy Research, a lead academic for the International Growth Centre in Ghana, an affiliate at BREAD, a co-editor of the Journal of Political Economy, and an associate editor of Econometrica. My main research fields are macroeconomics and development.
Working Papers
Working Papers
"The Spatial Distribution of Income in Cities: New Global Evidence and Theory" with Peter Deffebach, Yuhei Miyauchi, and Eiji Yamada
"Technology and Tax Capacity: Evidence from Local Governments in Ghana" with James Dzansi, Anders Jensen and Henry Telli
"The Dynamics of Agricultural Productivity Gaps: An Open-Economy Perspective" with Doug Gollin, Xiao Ma, and Shraddha Mandi
"Homework in Climate Economics: Household Production, Environmental Preferences, and Climate Policy" with Stephie Fried and Hannah Rhodenhiser
"American Life Histories" with Stelios Michalopoulos and Joachim Voth
"Is the Electricity Sector a Weak Link in Development?" with Jonathan Colmer and Martin Shu
"Macroeconomic Effects of `Free' Secondary Schooling in the Developing World" with Junichi Fujimoto and Mitch VanVuren
Academic Publications
Academic Publications
"The Role of Micro Data in Structural Transformation" with Martin Shu, Oxford Development Studies, 2024, Special issue on Structural Transformation
"Unemployment and Development" with Ying Feng and Jim Rauch,2024, Economic Journal [voxdev]
"Labor Market Conflict and the Decline of the Rust Belt" with Simeon Alder and Lee Ohanian, 2023, Journal of Political Economy
"Electricity and Firm Productivity: A General-Equilibrium Approach" with Stephie Fried, 2023, American Economic Journal: Macroeconomics [voxdev]
"Macroeconomic Effects of COVID-19 Across the World Income Distribution" with Titan Alon, Minki Kim and Mitch VanVuren, 2023, IMF Economic Review special issue on COVID-19
"The Welfare Effects of Encouraging Rural-Urban Migration" with Mushfiq Mobarak and Michael Waugh, Econometrica, 2023
"Structural Change in Labor Supply and Cross-Country Differences in Hours Worked", with Alex Bick, Nicola Fuchs-Schuendeln and Hitoshi Tsujiyama, Journal of Monetary Economics, 2022
"Do Urban Wage Premia Reflect Lower Amenities? Evidence from Africa" with Martina Kirchberger and Doug Gollin, Journal of Urban Economics, 2021 [voxdev]
"Rural Electrification, Migration and Structural Transformation: Evidence from Ethiopia" with Stephie Fried, Regional Science and Urban Economics, 2021, special issue honoring John Harris and Michael Todaro
"Migration Costs and Observational Returns to Migration in the Developing World" with Sam Marshall, Mushfiq Mobarak, Michael Waugh and Corey Vernot, Journal of Monetary Economics, 2020 [erratum] [github]
"Urban-Rural Gaps in the Developing World: Does Internal Migration Offer Opportunities?" Journal of Economic Perspectives, 2020 [voxdev podcast]
"Life-Cycle Wage Growth Across Countries" with Benjamin Moll, Tommaso Porzio, Nancy Qian and Todd Schoellman, Journal of Political Economy, 2018 [slides]
"Life-Cycle Human Capital Accumulation Across Countries: Lessons from U.S. Immigrants" with Benjamin Moll, Tommaso Porzio, Nancy Qian and Todd Schoellman, Journal of Human Capital, 2018, special issue honoring Gary Becker [slides]
"How do Hours Worked Vary With Income? Cross-Country Evidence and Implications" with Alexander Bick and Nicola Fuchs-Schuendeln, American Economic Review, 2018 [slides] [appendix] [data] [voxeu]
"Explaining Cross-Country Productivity Differences in Retail Trade" Journal of Political Economy, 2016 [slides] [working paper]
"Agricultural Productivity Differences Across Countries" with Doug Gollin and Michael Waugh, American Economic Review P&P, 2014 [slides]
"The Agricultural Productivity Gap" with Doug Gollin and Michael Waugh, Quarterly Journal of Economics, 2014 [slides] [appendix] [data]
"Selection, Agriculture and Cross-Country Productivity Differences" with Michael Waugh, American Economic Review, 2013 [slides]
"Which Workers Get Insurance Within the Firm?" with Guillermo Ordoñez, Journal of Monetary Economics, 2011 [appendix]
"Inflation Inequality in the United States" with Bart Hobijn, Review of Income and Wealth, 2005 [The Economist]
"Social Security and the Consumer Price Index for the Elderly" with Bart Hobijn, Current Issues in Economics and Finance, 2003 [paper]
Other Papers and Publications
Other Papers and Publications
"How Should Policy Responses to the COVID-19 Pandemic Differ in the Developing World?" NBER Working Paper 27273, August 2020, with Titan Alon, Minki Kim and Mitch VanVuren [slides] [voxeu] [promarket][world economic forum]
Comment on "Welfare and Distributional Implications of Shale Gas" by Hausman and Kellogg, Brookings Papers on Economic Activity, Spring 2015 [slides]
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