Research

Published and Forthcoming Papers:

• • "Rigidities in Transportation and Supply Chain Disruptions,” (with Giulia Brancaccio and Myrto Kalouptsidi),2025, AEA Papers and Proceedings, 115, 543–550. 

• • "Search Frictions and Efficiency in Decentralized Transport Markets," (with Giulia Brancaccio, Myrto Kalouptsidi and Nicola Rosaia), 2023, Quarterly Journal of Economics, 138(4), 2451–2503

• • • Online Appendix to "Search Frictions and Efficiency in Decentralized Transport Markets"

• • "The Impact of Oil Prices on World Trade," (with Giulia Brancaccio and Myrto Kalouptsidi), 2023, Review of International Economics, 31(2), 444-463

• • "Occupational Matching and Cities," 2022, American Economic Journal: Macroeconomics, 14(3), 82-132

• • • Online Appendix to "Occupational Matching and Cities"

    • Featured in American Economic Association Research Highlights

• • "Geography, Transportation, and Endogenous Trade Costs," (with Giulia Brancaccio and Myrto Kalouptsidi), 2020, Econometrica, 88(2), 657-691

    • Recipient of the Frisch Medal for the best applied (empirical or theoretical) paper published in Econometrica in the previous four years, 2022

    • Supplement to "Geography, Transportation, and Endogenous Trade Costs"

    • Featured in Quartz, Microeconomic Insights, Econofact, MarketWatch, World Bank Infrastructure Podcast, Fraser Institute Blog, The Heights' Podcast

    • This paper previously circulated under the title "Geography, Search Frictions and Endogenous Trade Costs" (NBER Working Paper 23581)

• • "A Guide to Estimating Matching Functions in Spatial Models," (with Giulia Brancaccio and Myrto Kalouptsidi), 2020, International Journal of Industrial Organization, 70, 102533 (Special Issue EARIE 2018)

• • "Large Firms and Within Firm Occupational Reallocation," 2018, Journal of Economic Theory, 174, 184-223

    • Online Appendix to "Large Firms and Within Firm Occupational Reallocation"

• • "Firm Learning and Growth,"  (with Costas Arkolakis and Olga Timoshenko) 2018, Review of Economic Dynamics, 27, 146-168

• • "Learning Your Comparative Advantages," 2014, Review of Economic Studies, 81(3), 1263-1295

    • Supplementary Appendix to "Learning Your Comparative Advantages"

Working Papers:

• • "Investment in Infrastructure and Trade: The Case of Ports,” (with Giulia Brancaccio and Myrto Kalouptsidi), NBER Working Paper 32503, revise and resubmit, Journal of Political Economy

    • Featured in NBER Digest, Macro Roundup

• • “Beyond Cobb-Douglas: Flexibly Estimating Matching Functions with Unobserved Matching Efficiency,” (with Fabian Lange), NBER Working Paper 26972

    • Code for Estimating Matching Functions

• • "Occupational Choice, Human Capital and Learning: A Multi-Armed Bandit Approach," (with Rafael Lopes de Melo),  revise and resubmit, Labour Economics

• • "Transportation Disruptions and Inflation,” (with Giulia Brancaccio, Myrto Kalouptsidi and Yixin Zhou), in progress