Predictive value of video-sharing behavior: sharing of movie trailers and box-office revenue

Sehwan Oh is an Assistant Professor at the School of Business Administration, Kyungpook National University. He earned his PhD Degree in Management Information Systems from the College of Business Administration, Seoul National University, MS Degree in Information Technologies (MSIT) from the School of Computer Science, Carnegie Mellon University, and BA Degree in Economics from the College of Social Sciences, Seoul National University. His current research interests include social media, electronic word-of-mouth, and e-commerce. He has published on these topics in journals such as International Journal of Mobile Communications, Journal of Electronic Commerce Research, ETRI Journal, and Asia Pacific Journal of Information Systems.

Hyunmi Baek is an Assistant Professor at the Department of Information Sociology, Hanyang University. She earned her PhD Degree in Management Information Systems from the College of Business Administration, Seoul National University. Her research interests include electronic word-of-mouth, social media, information adoption, and electronic commerce. Her prior research has been published in IEEE Transactions in Vehicular Technology, International Journal of Electronic Commerce, Journal of Electronic Commerce Research, ETRI Journal, and Asian Case Research Journal.

JoongHo Ahn is a Professor of Management Information Systems, Graduate School of Business, Seoul National University. He earned his PhD Degree, and MPhil Degree both from the Stern School of Business, New York University, and MPA, BA from Seoul National University. His areas of interests include business transformation, electronic/mobile business and inter-organizational information systems, strategic use of information technology in government and business, and IT governance. He was a Board Member of National Information Agency and a Member of The Presidential Council for National Information Strategy, Republic of Korea. He is a Founding Member and was the past President of Korea Society of MIS and the President and Founder of Korean Association of IT Governance.