"Price Competition and Active or Inactive Consumer Search" with Yumi Koh and Gene Moo Lee, December 2023

(https://drive.google.com/file/d/1N4dq6wE1x39p-dfZ39XkmseNFW5MGo-C/view  or https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3467893)

"R&D Subsidies in Permissive and Restrictive Environment: Evidence from Korea" with Yumi Koh, January 2023, Research Policy 

(https://doi.org/10.1016/j.respol.2022.104620)

“Number of Firms and Price Competition” with Kyle Bagwell, December 2014 

(https://drive.google.com/file/d/1wzmRi1L7DudmpasGYL7zyqojxg4GNZM8/view)

“Unobserved Investment, Signaling, and Welfare” with Seung Han Yoo, November 2017 

"A Ricardian Rationale for the WTO Rules on R&D Subsidies" with Yumi Koh, November 2020, Economics Letters

(https://doi.org/10.1016/j.econlet.2020.109500 )

“Infrastructure Investment and Travel Time" with Yumi Koh, February 2020, Economics Letters

(https://doi.org/10.1016/j.econlet.2019.108901)

“Optimal International Agreement and Restriction on Domestic Efficiency,” March 2016, Journal of International Economics

(http://www.sciencedirect.com/science/article/pii/S0022199616000040)

“Subsidies and Countervailing Duties,” 2016, Handbook of Commercial Policy (Elsevier), Volume 1B, Edited by Kyle Bagwell and Robert W. Staiger

(http://www.sciencedirect.com/science/article/pii/S2214312216300096)

“Optimal Collusion with Internal Contracting,” March 2010, Games and Economic Behavior 

(http://dx.doi.org/10.1016/j.geb.2009.08.005) 

“Advertising Competition in Retail Markets” with Kyle Bagwell, August 2010, Advances tier in B.E. Journal of Economic Analysis & Policy 

(https://doi.org/10.2202/1935-1682.2038  or https://drive.google.com/file/d/1PIGY7--UFbACL99VqY3Ol-_iiYfmpWdJ/view)

“Advertising Collusion in Retail Markets” with Kyle Bagwell, August 2010, Advances tier in B.E. Journal of Economic Analysis & Policy 

(https://doi.org/10.2202/1935-1682.2489  or https://drive.google.com/file/d/11ajzhZRyubSUBUFYrWbO0EmCmQC3G5BU/view)

“Trade Agreements with Domestic Policies as Disguised Protection,” March 2007, Journal of International Economics 

(https://doi.org/10.1016/j.jinteco.2006.05.002) 

“Upgrading, Degrading, and Intertemporal Price Discrimination,” December 2003, Contributions to Theoretical Economics 

(https://doi.org/10.2202/1534-5971.1056 ) 

Attached Papers