Working papers:
Consumer Demand with Price Aggregators and Low-Rank Cross-Price Effects [pdf]
(with Ethan Ligon)
This draft: October 2025
Commodity Trade Matters [pdf] [data]
(with James Sayre)
This draft: July 2019
Production Staging: Measurement and Facts [pdf] [data]
previously entitled: "On the Fragmentation of Production in the US"
This draft: August 2012
Publications:
Scaling Agricultural Policy Interventions: Theory and Evidence from Uganda [pdf]
(with L. Bergquist, B. Faber, M. Hoelzlein, E. Miguel, A. Rodriguez-Clare), Econometrica, Accepted, 2026
Measuring Welfare and Inequality with Incomplete Price Information [pdf]
+ Replication Toolkit created by Jay Sayre [link]
(with David Atkin, Ben Faber and Marco Gonzalez-Navarro), Quarterly Journal of Economics, February 2024
Generalized Separability and Integrability: Consumer Demand with a Price Aggregator [pdf]
Journal of Economic Theory, July 2022
Firm Heterogeneity in Consumption Baskets: Evidence from Home and Store Scanner Data [pdf]
(with Ben Faber), Review of Economic Studies, May 2022
Per Capita Income, Consumption Patterns, and CO2 Emissions [pdf]
(with Justin Caron), Journal of the Association of Environmental and Resource Economists, March 2022
Per Capita Income and the Demand for Skills [pdf]
(with Justin Caron and Jim Markusen), Journal of International Economics, March 2020
Generalized Separability and the Gains from Trade [pdf]
Economics Letters, May 2019
A Coasian Model of International Production Chains [pdf]
(with Russell Hillberry), Journal of International Economics, September 2018
Structural Gravity and Fixed Effects [pdf]
Journal of International Economics, September 2015
International trade puzzles: a solution linking production factors and demand [pdf] [NBER WP]
(with Justin Caron and Jim Markusen), The Quarterly Journal of Economics, August 2014
Foreign Entry and Spillovers with Technological Incompatibilities in the Supply Chain [pdf]
(with Juan Carluccio), Journal of International Economics, January 2013
A measure of upstreamness of production and trade flows [long version] [short] [data]
(with Pol Antras, Davin Chor and Russell Hillberry), The American Economic Review P&P, May 2012
Global Sourcing under Imperfect Capital Markets [pdf]
(with Juan Carluccio), The Review of Economics and Statistics, August 2012
Economics Geography and Wages in Brazil: Evidence from Micro-Data [pdf]
(with Rodrigo Paillacar and Cristina Terra), Journal of Development Economics, January 2010
Credit Constraints as a Barrier to the Entry and Post-Entry Growth of Firms [pdf]
(with Philippe Aghion and Stefano Scarpetta), Economic Policy, October 2007
Other:
Scaling up agricultural policy interventions: Evidence from Uganda [link]
VoxEU Policy Brief, http://cepr.org/voxeu/columns/scaling-agricultural-policy-interventions-evidence-uganda, 2023
The Skill-Premium Puzzle: Rediscovering the Demand Side of General Equilibrium [link]
VoxEU Policy Brief, http://voxeu.org/article/demand-and-skill-premium-puzzle, April 2020
Does Trade in Primary Commodities Matter? [link] [pdf]
ARE Update, Vol. 23, No. 1, Sep/Oct, 2019
Per capita income, consumption patterns, and carbon dioxide emissions [link]
VoxEU Policy Brief, http://voxeu.org/article/capita-income-consumption-patterns-and-carbon-dioxide-emissions, 2018
Firm Heterogeneity in Consumption Baskets [link]
VoxEU Policy Brief, http://voxeu.org/article/firm-heterogeneity-consumption-baskets, August 2017
Has production become more fragmented? International vs domestic perspectives [link]
VoxEU Policy Brief, http://www.voxeu.org/index.php?q=node/7506, January 2012
In Favor of a Funds to Stabilize Commodity Exporters' Income [pdf]
(with Daniel Cohen and Sebastien Villemot), CEPR Working Paper No. 5550, 2006