Research

Publications

1. “Product Scope Adjustment to the China Shock: Competition at Home and Abroad” (with Seongin Hong, Jung Hur, and Manho Kang), Forthcoming, Journal of Comparative Economics

2. “Instrumental Variable Regression with Varying-intensity Repeated Treatments” (with Dakyung Seong and Shu Shen), Journal of Econometrics, 2026, vol 257, 106305

3. “Environmental Regulation, Induced Innovation, and Greener Transition: Firm-level Evidence” (with Sunghoon Chung and Manho Kang), Journal of Development Economics, 2026, vol 179, 103678

• Non-Technical Summary (in Korean)

• Non-Technical Summary (in English)

4. “Labor Market Rigidity at Home and Multinational Corporations' Flexible Production Reallocation Abroad” (with JaeBin Ahn and Sunghoon Chung), Journal of Development Economics, 2025, vol 176, 103502

• Non-Technical Summary (in Korean)

5. “The Cleanup of US Manufacturing through Pollution Offshoring” (with Jay Hyun, Gueyon Kim, and Ziho Park), Journal of International Economics, 2025, vol 154, 104046

6. “Bound by Ancestors: Immigration, Credit Frictions, and Global Supply Chain Formation” (with Jay Hyun and Ziho Park), Journal of International Economics, 2024, vol 147, 103855

7. “Tariffs, Agricultural Subsidies, and the 2020 US Presidential Election” (with Sunghun Lim), American Journal of Agricultural Economics, 2023, vol 105, issue 4, pp 1149-1175

• VoxEU

8. “Offshoring, Matching, and Income Inequality”, Journal of Mathematical Economics, 2023, vol 106, 102846

9. “Anxiety or Pain? The Impact of Tariffs and Uncertainty on Chinese Firms in the Trade War” (with Felipe Benguria, Deborah Swenson, and Mingzhi Xu), Journal of International Economics, 2022, vol 137, 103608

• VoxChina

10. “Global Influences on Gender Inequality: Evidence from Female Employment in Korea” (with Theresa Greaney), International Economic Review, 2022, vol 63, issue 1, pp 291-328

11. “Two-Sided Heterogeneity, Endogenous Sharing, and International Matching Markets”, Economic Theory, 2021, vol 72, issue 2, pp 473-509

12. “The Labor Market Effects of the China Syndrome: Evidence from South Korean Manufacturing” (with Mingzhi Xu), World Economy, 2020, vol 43, issue 11, pp 3039-3087

13. “The Global Value Chain under Imperfect Capital Markets”, World Economy, 2020, vol 43, issue 2, pp 484-505

14. “Two-sample Instrumental Variable Regressions with Potentially Weak Instruments” (with Shu Shen), Stata Journal, 2019, vol 19, issue 3, pp 581-597

15. “Offshoring and Skill Overlap: An Empirical Investigation”, Review of International Economics, 2019, vol 27, issue 4, pp 1199-1233

16. “Weak-instrument Robust Inference for Two-sample Instrumental Variables Regression” (with Jiaying Gu and Shu Shen), Journal of Applied Econometrics, 2018, vol 33, issue 1, pp 109-125

Working Papers

17. “Downward Nominal Wage Rigidity, Fixed Exchange Rates, and Unemployment: Evidence from a Quasi Natural Experiment” (with JaeBin Ahn and Ivan Rivadeneyra), Revise and Resubmit, American Economic Journal: Macroeconomics

18. “Offshoring and the Decline of Unions” (with Jakob Munch and William Olney), Revise and Resubmit, Review of Economics and Statistics

19. “Cross-Border Threats to Health: Impacts of Trade Liberalization on Nutritional Transition” (with Jungjun Park)

20. “Air Pollution and Health Burdens across Borders: Evidence from South Korea after China’s Plastic Waste Import Ban” (with Yoonseung Seon)

21. “Anti-Dumping Duties and Trade Rerouting: Inside Third-Country Supply Chains” (with Jeonghwan Choi and Minwoo Shin)

22. “Birds of a Feather Supply Together: ESG Homophily and Governance in Global Supply Chains” (with Omrane Guedhami, Jay Hyun, Jong-Min Oh, and Hwan-Jin Yong)

23. “The China Shock and Internal Migration: Evidence from Bilateral Migration Flows” (with Hyoungchul Kim and Seung Hoon Lee)