Biases in online reviews: the default positive review rule and the conditional rebate strategy Available to Purchase

Haiyuan An is a Ph.D. candidate in the School of Economics and Management at Dalian University of Technology (DUT), China. She received her M.S. in Management from Central University of Finance and Economics, China. Her research interests are in the areas of social media, consumer behavior, social network and e-Commerce. She has published articles in conferences Pacific Asia Conference on Information Systems (PACIS), Production and Operations Management Society (POMS) and others.

Wenli Li is a Professor in the School of Economics and Management at Dalian University of Technology (DUT), China. His research primarily focuses on e-Commerce, social network, trust and reputation, and reputation management. His work has been published in Information Systems Research, Information Technology and People, European Journal of Operational Research, International Journal of Production Research and others.

Yahe Yu is Assistant Professor in the School of Economics and Management at Dalian University of Technology. He obtained his Ph.D. from North Carolina State University. His research interests include big data analytics and decision-making in e-commerce and healthcare field. He has published articles in journals and conferences such as The ISME Journal, IEEE Transactions on Neural Networks and Learning Systems and ACM International Conference on Information and Knowledge Management (CIKM).

Zhen Wang is a postgraduate student in the Institute for Quantitative Economics and Statistics at Huaqiao University, China. He received his B.S. in Management from Central University of Finance and Economics in China. His research interests are in the areas of complex network, community detection, clustering, machine learning and consumer behavior.