"Zero-Pricing in Bundle Offers: Evidence of Anti-Competitive Effects in the Telecommunications and Broadcasting Industry " (with Minki Kim and Youngwook Koo), Sungkyun Institute of Economic Research(SIER) Working Paper Series.
"Territorial Restrictions: the Case of Korean Cable Market"
"Estimating Network Effects in a Dynamic Environment" (with Gautam Gowrisankaran and Marc Rysman)
"The Impacts of Banking Regulation on Banks' Performance" (with Won Sung and Hyunchul Kim)
"The Impacts of News Aggregator on the Newspapers: An Empirical Evaluation" (with Myongji Yang)
"Advertising Bias in the Broadcasting News" (with Hyungjin Kim)