Welcome to my webpage. I'm an associate professor of economics at the University of California San Diego, a research associate at the National Bureau of Economic Research, lead academic for the International Growth Centre's Ghana program, an associate editor of the Review of Economic Dynamics and a co-editor of the Journal of Development Economics.
"Unemployment and Development" with Ying Feng and Jim Rauch
"In Search of a Spatial Equilibrium in the Developing World," with Martina Kirchberger and Doug Gollin
"The Welfare Effects of Encouraging Rural-Urban Migration," with Mushfiq Mobarak and Michael Waugh
Revision requested at Econometrica
"Labor Market Conflict and the Decline of the Rust Belt," with Simeon Alder and Lee Ohanian
"Rural Electrification, Migration and Structural Transformation: Evidence from Ethiopia," with Stephie Fried
"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
"Life-Cycle Wage Growth Across Countries," with Benjamin Moll, Tommaso Porzio, Nancy Qian and Todd Schoellman,
Journal of Political Economy, 2018
"How do Hours Worked Vary With Income? Cross-Country Evidence and Implications," with Alexander Bick and Nicola Fuchs-Schuendeln
American Economic Review, 2018
"Explaining Cross-Country Productivity Differences in Retail Trade"
Journal of Political Economy, 2016
"Agricultural Productivity Differences Across Countries," with Doug Gollin and Michael Waugh
American Economic Review P&P, 2014
"The Agricultural Productivity Gap," with Doug Gollin and Michael Waugh
Quarterly Journal of Economics, 2014
"Selection, Agriculture and Cross-Country Productivity Differences," with Michael Waugh
American Economic Review, 2013
"Which Workers Get Insurance Within the Firm?" with Guillermo Ordoñez
Journal of Monetary Economics, 2011
"Inflation Inequality in the United States," with Bart Hobijn
Review of Income and Wealth, 2005
"Social Security and the Consumer Price Index for the Elderly"
with Bart Hobijn
Current Issues in Economics and Finance, 2003
Comment on "Welfare and Distributional Implications of Shale Gas," by Hausman and Kellogg
Brookings Papers on Economic Activity, Spring 2015
Selected Research in Progress
"Accounting for Africa's Growth Miracle"
with Stephie Fried and Alejandro Nakab
"Improving Tax Collection Capacity in the Developing World: Evidence from Local Government in Ghana"
with James Dzansi, Anders Jensen and Henry Telli
"The Aggregate Effects of "Free" Secondary Schooling in the Developing World"
with Junichi Fujimoto
"The Return on Electrification Investments: An Aggregate Approach"
with Stephie Fried
"The Persistence of Agricultural Productivity Gaps"
with Katia Del Frari and Doug Gollin
"Consumption Gains for Rural-Urban Migrants: New Evidence and Interpretations"
with Mushfiq Mobarak and Michael Waugh