His research is at the intersection of international economics and data science, studying international trade and its connection with foreign policy, the spatial dimension of international trade, migration and finance, and related questions in applied econometrics. His work is characterized by policy-relevant research questions using state-of-the-art quantitative methods often involving big data. He has published in leading journals including the European Economic Review, Economic Policy, and the Journal of International Economics. He serves as Associate Editor for the Review of World Economics, directs the Albert O. Hirschman PostDoc Program at the Kiel Institute, and develops open source tools for economists, including KITE (Kiel Institute Trade Policy Evaluation Model) and glmhdfe.