My current research explores three themes in international economics: the impact of financial frictions on international trade and investment; the role of firm heterogeneity in productivity, product quality and management practices; and the determinants and consequences of global value chains.

Working Papers

Managing Trade: Evidence from China and the US

March 2016. NBER Working Paper 24718. CEPR Working Paper. Revision requested by Review of Economics and Statistics. (with Nick Bloom, John Van Reenen, Stephen Sun and Zhihong Yu)

The Origins of Firm Heterogeneity: A Production Network Approach
August 2018. NBER Working Paper 25441. CEPR Working Paper. Under review. (with Andrew Bernard, Emmanuel Dhyne, Glenn Magerman and Andreas Moxnes)


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


Work in Progress


Growing like China: Firm Performance and Global Production Line Position

With Davin Chor and Zhihong Yu


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