Category-based or piecemeal-based processing? A dual model of web-mobile service extension behavior Available to Purchase

Xiang Gong is PhD Candidate in Information Systems at the joint PhD program between the University of Science and Technology of China and City University of Hong Kong. His research interests include financial technology, technology addiction and social commerce. His research has been published in international journals and conferences, such as International Journal of Information Management, Computers in Human Behavior and International Conference on Information Systems.

Kem Z.K. Zhang is Associate Professor at the Sun Yat-sen University. He received the PhD Degree in Information Systems from the joint PhD program between the University of Science and Technology of China and City University of Hong Kong. His research interests include electronic commerce and human behaviors in new social media. He has published papers in international journals and conferences, such as Decision Support Systems, Information & Management, Journal of the Association for Information Science and Technology, Information Technology & People, Electronic Commerce Research and Applications, Computers in Human Behavior and International Conference on Information Systems.

Chongyang Chen is Assistant Professor in Soochow University. She received PhD Candidate in Information Systems at the joint PhD program between the University of Science and Technology of China and City University of Hong Kong. Her research interests include IT usage and addiction. Her research has been published in international journals and conferences, such as International Journal of Information Management, Computers in Human Behavior and International Conference on Information Systems.

Sesia J. Zhao is Assistant Professor at the Sun Yat-sen University. She received the PhD Degree in Information Systems from the joint PhD program between the University of Science and Technology of China and City University of Hong Kong. Her research interests include knowledge management, social media, electronic commerce and collaborative information systems. She has published papers in international journals and conferences, such as Decision Support Systems, Information & Management, Journal of the Association for Information Science and Technology, Electronic Commerce Research and Applications, Computers in Human Behavior and International Conference on Information Systems.

Matthew K.O. Lee is Chair Professor of Information Systems & E-Commerce at the College of Business, City University of Hong Kong. He has published in leading journals in his field, such as MIS Quarterly, Journal of Management Information Systems, Communications of the ACM, International Journal of Electronic Commerce, Decision Support Systems, Information & Management and others. His work has received numerous citations in the SCCI/SCI database and Google Scholar. He has served as Associate Editor and Area Editor of the Journal of Electronic Commerce and Applications and the International Journal of Information Policy and Law and served on the Editorial Board of the Information Systems Journal. He has also served as Special Associate Editor for MIS Quarterly.