- "How is the Mobile Internet Different? Search Costs and Local Activities,"with Anindya Ghose and Avi Goldfarb. Forthcoming at Information Systems Research (ISR), 2012.

- "A Social Network-Based Inference Model For Validating Customer Profile Data," with Wonseok Oh, Sung-Hyuk Park, and Soonyoung Huh. Forthcoming, Management Information Systems Quarterly (MISQ) Special Issue on Business Intelligence Research, 2012.

- "An Empirical Analysis of User Content Generation and Usage Behavior on the Mobile Internet," with Anindya Ghose,         Management Science, 57(9), 2011, pp.1671-1691.

- "The Effects of Visual Stimuli in Internet Banner Ads: The Moderating Role of Task and Complexity of Visual Stimuli,"with Jae-Hyeon Ahn and JooWon Lee, Korean Marketing Research Journal (in Korean), 24(4), 2009, pp.67-86.

- "Customer Churn Analysis: Churn Determinants and Mediation Effects of Partial Defection in Korean Mobile Telecommunications Service Industry," with Jae-Hyeon Ahn and Young-Seop Lee, Telecommunications Policy 30(10/11), 2006, pp.552-568.

- "Estimating Demand for Mobile Apps in the New Economy," with Anindya Ghose. Under 2nd round review at Management Science special issue on Business Analytics.

- "Analyzing the Interdependence between Web and Mobile Advertising," with Anindya Ghose and Sung-Hyuk Park. Under major revision for 2nd round review at Journal of Marketing Research (JMR).

- "An Empirical Analysis of Network Characteristics and Social Contagion on the Mobile Internet," with Anindya Ghose and Raghuram Iyengar. Under major revision for 2nd round review at Information Systems Research (ISR).

- "From Accuracy to Diversity: Empirical Analysis of the Relationship between Product Diversity and Consumers' Long-term Performance," with Sung-Hyuk Park. Under 2nd round review at International Journal of Electronic Commerce (IJEC) special issue on Social Technology Enabled Business Value Creation.

- "A Dynamic Structural Model of User Learning on the Mobile Internet,"with Anindya Ghose, Under revision to be submitted to Quantitative Marketing and Economics.

- "An Empirical Analysis of the Relationship between Display and Sponsored Search Advertising," with Anindya Ghose and Avi Goldfarb. Under revision to be submitted to Information Systems Research.

- "Evaluating the Impact of Acquisition Channel on Customer Acquisition and Retention Economic Impact of User Acquisition Channel to a New High-Tech Service: an Empirical Analysis of Voice over Internet Protocol (VOIP)Service," with Jae-Hyeon Ahn and Anindya Ghose,Under revision for submission to Information Systems Research.

- "Intelligent Customer Service Operation:Personalized Email Customer Service," with Wenling Hsu and Ann Skudlark, Under revision for submission to Decision Support Systems.

- "Marketing in the New Mobile Economy," with Anindya Ghose. in K. Coussement, K.W. De Bock and Scott A. Neslin (Eds.), Advanced Database Marketing: Innovative Methodologies & Applications for Managing Customer Relationships, Gower Publishing, London (United Kingdom) (2013, forthcoming).

- "Consumer Preference for New Wireless Data Services," with Jae-Hyeon Ahn, Kyung-Yong Jee, and Moon-Koo Kim, The Economics of Online Markets and ICT Networks, R. Cooper, G. Madden, A. Lloyd, M. Schipp (Editors) Physica-Verlag, 2006.

- "Convergence Phenomenon and New Service Development in the Telecommunications Industry," with Jae-Hyeon Ahn and Ann Skudlark, Global Economy and Digital Society, E. Bohlin, S. Levin, N. Sung, and C-H. Yoon (Editors) Elsevier, 2004.

- "Estimating Demand for Applications in the New 'Mobile' Economy," with Anindya Ghose, Proceedings of International Conference on Information Systems (ICIS 2012), Orlando, USA, December, 2012.

- "Analyzing the Differences Between the Mobile Web and the PC Web: Search Costs and Local Activities," with Anindya Ghose and Avi Goldfarb, Proceedings of International Conference on Information Systems (ICIS 2011), Shanghai, China, December, 2011.

- "Network Stability and Social Contagion: An Empirical Analysis in the Mobile Internet," with Anindya Ghose and Raghuram Iyengar, Proceedings of International Conference on Information Systems (ICIS 2011), Shanghai, China, December, 2011.

- "Analyzing the Impact of Social Networks, Spatial Networks, and Geographical Mobility on User Behavior in the Mobile Internet," with Anindya Ghose, Proceedings of the Workshop on Information Technologies and Systems (WITS 2010), St. Louis, MO, December, 2010.

- "Search Costs and Benefits on the Mobile Internet: A Comparison of Micro-blogging Responses on Mobile Devices and PCs," with Anindya Ghose and Avi Goldfarb, Proceedings of the Conference on Information Systems and Technology (CIST 2010), Austin, Texas, November, 2010.

- "An Empirical Analysis of User Content Generation and Usage Behavior in Mobile Digital Media," with Anindya Ghose, Proceedings of International Conference on Information Systems (ICIS 2009), Phoenix, Arizona, December, 2009.

- "Preprocessing Uncertain User Profile Data: Inferring User's Actual Age from Ages of User's Neighbors," with Sung-Hyuk Park, Soon-Young Huh, and Ho-Jin Lee, in Proceedings of IEEE International Conference on Data Engineering (ICDE 2009), Shanghi, China, March, 2009.

- "Mobile Commerce in the New Tablet Economy," with Anindya Ghose and Kaiquan Xu. Data analysis in progress.

- "The Impact of Advertising Creative in Online and Mobile Advertisement: A Randomized Field Experiment," with Ting Li and Djon Kleine. Data analysis in progress.

- "Dynamics in Mobile App Usage," with Wonseok Oh and Chy Heon Kim. Data analysis in progress.

- "Analyzing Demand under Mobile Consumer Search," with Anindya Ghose. Data analysis in progress.