Recent Working Papers

“Regulating Platform Bias: Self-Preferencing and Transacton Fees as Strategic Substitutes,” June 2026 (with C-K Chi, J-H Hahn, and S. Kim).

“Patent Exhaustion and Licensing in the Supply Chain,” May 2026 (with H. Gerlach).

“AI Safety and Competition,” April 2026 (with D. Jeon and D. Menicucci).

Recent Published Papers

“Lurking Patent Claims and Strategic Royalty Contracts,” Journal of Industrial Economics, forthcoming.

“Tying in Markets with Network Effects,” American Economic Review, January 2026, pp. 332-374 (with D. Jeon and M. Whinston).

“’Sherlocking’ and Platform Information Policy,” Management Science, November 2025, pp. 9812-9830 (with Kyungmin Kim and Arijit Mukherjee).

“Platform Design Biases in Ad-Funded Two-Sided Markets,” Rand Journal of Economics, 2023, pp. 240-267 (with D. Jeon).

“Network Externalities, Dominant Value Margins, and Equilibrium Uniqueness,” International Economic Review, November 2022, pp. 1805-1827 (with C. Stefanadis).

“A Leverage Theory of Tying in Two-Sided Markets with Non-Negative Price Constraints,” American Economic Journal: Microeconomics, 2021, pp. 283- 337 (with D. Jeon).

“Tying of ‘Free Goods’ in Digital Platform Markets,” CPI Antitrust Chronicle, September 2021.

“Optimal Certification Policy, Entry, and Investment in the Presence of Public Signals,” Rand Journal of Economics, Winter 2020, pp. 989-1013 (with A.
Mukherjee).

“Transfer Pricing Regulation and Tax Competition,” Journal of International Economics, November 2020 (with T. Furusawa and J. Ishikawa).

“Privacy and Personal Data Collection with Information Externalities,” Journal of Public Economics, 2019, pp. 113-124 (with D. S. Jeon and B. C. Kim).

Books Edited

Recent Developments in Antitrust: Theory and Evidence, MIT Press, December 2006

Competition Law and Economics: Developments, Policies and Enforcement Trends in the US and Korea, Edward Elgar Publishing, 2020 (edited with S. Lee and W. Lim).

Miscellaneous

If you have nothing to read in the bathroom, try this:
“Up or Down? A Male Economist’s Manifesto on the Toilet Seat Etiquette,” Economic Inquiry, January 2011, featured in the Daily Mail and Cracked.com.