Working Papers
European Immigrants and the Rise of the United States to the Technological Frontier (with Lee, Peters)
Optimal City Structure (with Allen, Li). PRELIMINARY. First Version: 07/15

Submitted Papers or Under Revision

Combinatorial Discrete Choice: A Quantitative Model of Multinational Location Decisions (with Eckert, Shi). New 11/23.
Clean Growth (with Walsh). More Supplementary Material, Replication Package New 08/23
Spatial Production Networks (with Hunneus, Miyauchi)
Aggregate Implications of Firm Heterogeneity: A Nonparametric Analysis of Monopolistic Competition Trade Models (with Adao, Ganapati)
General Equilibrium Effects in Space: Theory and Measurement (with Adao, Esposito)  More  Previous version: Spatial Linkages Global Shocks and Local Labor Markets 
A Multivariate Distribution with Pareto Tails and Pareto Maxima (with Rodriguez-Clare, Jiun-Hua Su)

Publications

On the Equilibrium Properties of Spatial Models (with Allen, Li) forth. American Economic Review Insights
Economic Activity Across Space: A Supply and Demand Approach (with Allen) Journal of Economic Perspectives, 2023, 37 (2), p.3-28 More Supplementary Material
The Welfare Effects of Transportation Infrastructure Improvements (with Allen), Review of Economic Studies, 2022, 89(6), 2911-2957
Firm Dynamics and Trade (with Alessandria, Ruhl) Annual Review of Economics, 2021, 13, 253-280.
The Extensive Margin of Exporting Products: A Firm-Level Analysis (with Muendler, Ganapati), American Economic Journal Macro 2021, 13(4), pp. 182-245). More Related: NBER WP 16641, Online Supplement, The Continuum Case
Universal Gravity (with Allen, Takahashi) Journal of Political Economy, 2020, 128(2), 393-433. More Related: NBER WP 20787,  Online Appendix, Capital Dynamics, Matlab Toolkit
The Elusive Pro-Competitive Effects of Trade (with Costinot, Donaldson, Rodriguez-Clare), Review of Economic Studies, 2019, 86(1), 46-80. More Related: NBER WP 21370, Codes, Gains: Simple Example
Innovation and Production in the Global Economy (with Ramondo, Rodriguez-Clare, Yeaple), American Economic Review, 2018, 108(8), 2128-73, More Related: NBER WP 18792, online appendix
Firm Learning and Growth (with Papageorgiou, Timoshenko), Review of Economic Dynamics, 2018, 27, 146-168.
A Unified Theory of Firm Selection and Growth, Quarterly Journal of Economics, 2016, 131(1), 89-155. More Related: NBER WP 17553, Theory, Data, More data
Trade and the Topography of the Spatial Economy (with Allen) Quarterly Journal of Economics, 2014, 129(3), More Related: NBER WP 19181, online appendix, Erratum, Replication files.
New Trade Models, Same Old Gains? (with Costinot, Rodriguez-Clare), American Economic Review, 2012, 102(1), 94-130. More Related: NBER WP 15628, (online appendix)
Market Penetration Costs and the New Consumers Margin in International Trade, Journal of Political Economy, 2010, 118 (6), 1151-1199. More Related: NBER WP 14214, (Appendix: theory, data, programs)
Exporters and Their Products: A Collection of Empirical Regularities (with Muendler), CESifo Economic Studies, 2013, 59(2), 223-248.
Vertical Specialization and International Business Cycles Synchronization (with Ramanarayanan), Scandinavian J. of Economics, Sp. Issue on Heterogeneity & Trade, 2009,111(4),665-680. More Related: Online Appendix
Endogenous Variety and the Gains from Trade (with Klenow, Demidova, Rodriguez-Clare), American Economic Review Papers & Proceedings, 2008, 98 (4), 444-450. More Related: NBER WP 13933, Welfare in Krugman model, Detailed Derivations