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

The Origins of Firm Heterogeneity: A Production Network Approach
August 2018. NBER Working Paper 25441. CEPR Working Paper. Revised and resubmitted to Journal of Political Economy. (with Andrew Bernard, Emmanuel Dhyne, Glenn Magerman and Andreas Moxnes)

Trade, Productivity, and (Mis)allocation
August 2018. CEPR Working Paper. Under review. (with Antoine Berthou, Jong Hyun Chung and Charlotte Sandoz)


Work in Progress

Firm Heterogeneity and Imperfect Competition in Global Production Networks

​​With Hanwei Huang and Frank Pisch

Multinational Firms and Global Innovation

With Anna Gumpert, Cristina Rujan and Monika Schnitzer