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My research explores three themes in international economics: global value chains and firm production networks; firm productivity, innovation, and management practices; and financial frictions in international trade and investment.


In 2024-2029, I am pursuing a research program on Firm Network Technology (the activities and costs of network formation) and Technology in Firm Networks (the impact of firm links on innovation), funded by ERC Advanced Grant FIRMTECHNET.

Working Papers


Firm Heterogeneity and Imperfect Competition in Global Production Networks

​​November 2021. (with Hanwei Huang, Oscar Perello and Frank Pisch)


Tickets to the Global Market: First U.S. Patents and Chinese Firm Exports

April 2022. CEPR DP 18637. (with Robin Kaiji Gong, Yao Amber Li and Stephen Teng Sun)


UK Trade in the Wake of Brexit

​​April 2022. CEP DP 1847. (with Rebecca Freeman, Thomas Prayer and Thomas Sampson)

Featured in Financial Times, The Economist, BBC, SkyNews, Independent, Telegraph, Bloomberg, CEPR E-book & podcast.


Trade, Productivity, and (Mis)allocation
August 2018. CEPR DP 14203. (with Antoine Berthou, Jong Hyun Chung and Charlotte Sandoz)




Firm Network Technology &

Technology in Firm Networks

Trade Intermediation in Global Production Networks

With Andreas Moxnes and Oscar Perelló

The Logic of Logistics: Endogenous Trade Costs in E-Commerce

With Chunmian Ge, Hanwei Huang and Daniel Xu

Risky Business: Export Finance Insurance and Trade

With Magnus Buus, Thilo Kroeger and Jakob Munch

Multinational Firms and Global Innovation

With Anna Gumpert, Cristina Rujan and Monika Schnitzer

Fragmentation, Tasks and Inequality in Production Networks

With Jan Bakker, Arnaud Dyevre, Andreas Moxnes and Aureo de Paula

Going Green: Multinational Activity and Environmental Practices

With Jeronimo Carballo, Claudia Steinwender and Christian Volpe

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