Research
Selected Works in Progress
Urban Welfare: Tourism in Barcelona (with Simon Fuchs, Sharat Ganapati, Alberto Graziano, Rocio Madera, and Judit Montoriol-Garriga)
Presentation slides.Trucks (with David Atkin, Santiago Cantillo and Carlos Hernandez)
Presentation slides. Preliminary draft.The Economic Geography of American Slavery (with Suresh Naidu and Winston Chen)
Presentation slides.Optimal City Structure (with Costas Arkolakis and Xiangliang Li)
Presentation slides. Preliminary draft.Modern Spatial Economics (with Costas Arkolakis). Under contract with MIT Press.
Quantitative Economic Geography (with Costas Arkolakis). In preparation for the Handbook of Regional and Urban Economics.
Working Papers
Persistence and Path Dependence in the Spatial Economy (with Dave Donaldson).
Revision requested by the Journal of Political Economy.Border Walls (with Melanie Morten and Caue Dobbin)
Revised and resubmitted to the The Review of Economic Studies.
Media coverage: The Economist; The Washington Post; CNN; NPR; The Wall Street Journal; The Root; The Globe and Mail; The Evening Standard; Brookings; KTVU San Francisco; VoxEU; World Bank Development Impact Blog; Quartz; SIEPR; Dartmouth News; The Dartmouth; EurekAlert!; Bloomberg; Politico.
Published and Forthcoming Articles
On the Equilibrium Properties of Spatial Models (with Costas Arkolakis and Xiangliang Li)
American Economic Review: Insights. Forthcoming.
Replication Files.The Traveling Trucker Problem (with David Atkin, Santiago Cantillo and Carlos Hernandez).
AEA Papers and Proceedings. Forthcoming.
Replication Files.Economic Activity Across Space: A Supply and Demand Approach (with Costas Arkolakis).
Journal of Economic Perspectives. 2023. Volume 37 (2), p.3-28.
Matlab Toolkit & Replication Files.The Welfare Effects of Transportation Infrastructure Improvements (with Costas Arkolakis).
The Review of Economic Studies. 2022. Volume 89 (6), p. 2911-2957.
Media coverage: NBER Digest. Replication Files.Volatility and the Gains from Trade (with David Atkin).
Econometrica. 2022. Volume 90 (5), p.2053–2092.
Media coverage: NBER Digest. Replication Files.Persistence and Path Dependence: A Primer (with Dave Donaldson).
Regional Science and Urban Economics. 2022. Volume 94, Article 103724.Universal Gravity (with Costas Arkolakis and Yuta Takahashi).
Journal of Political Economy. 2020. Volume 128 (2), p.393-433 (lead article).
Matlab Toolkit. Replication files.Optimal (Partial) Group Liability in Microfinance Lending
Journal of Development Economics. 2016. Volume 121, p.201–216.
Supplementary Web Appendix. Replication Files.The Promise of Freedom: Fertility Decisions and the Escape from Slavery
Review of Economics and Statistics. 2015. Volume 97 (2), p.472-484.
Replication Files.Information Frictions in Trade
Econometrica. 2014. Volume 82 (6), p.2041-2083.
Supplementary Web Appendix. Replication Files. (Recipient of the 2012 WTO Award for Young Economists)Trade and the Topography of the Spatial Economy (with Costas Arkolakis).
Quarterly Journal of Economics. 2014. Volume 129 (3), p.1085-1140.
Supplementary Web Appendix. Erratum. Replication files. Example of how to implement the Fast Marching Method algorithm in Matlab.
Reprint requested for The Economics of Agglomeration, The International Library of Critical Writings in Economics, edited by William C. Strange, Cheltenham: Edward Elgar, forthcoming.Reciprocity in Retrospect: A Historical Inquest of Bilateralism in U.S. Trade Policy (with Stephen Meardon).
History of Economic Thought and Policy. 2012. Volume 2, p.5-33.
Book Chapters
Modern Spatial Economics: A Primer (with Costas Arkolakis).
in The Evolution of World Trade: Productivity, Growth and Employment, Routledge-ERIA Studies in Development Economics, 2018.Some Aspects of the Trends in Employment and Unemployment in Bihar and Kerala since the Seventies (with T.N. Srinivasan).
in Economic Reform in India: Challenges, Prospects and Lessons, Cambridge University Press, 2013. Online Data Appendix (in Stata format)