"From Cold-Start to Warm Reception: Knowledge Contribution as a Signaling Mechanism" (with Rick Harbaugh and Hong Lee)
"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)