We analyze the spillover effects of the online reviews of other co-visited products on the purchases of a focal product using clickstream data from a large retailer. Drawing upon signaling theory, as online reviews serve as signals, the proposed spillover effects are moderated by: (a) whether...

Online brand communities can be valuable to firms, but how do firms cultivate such communities? We find that engagement, that is, ‘likes' in response to firm posts, in the online brand community is associated with subsequent growth in the community. We theorize that when individuals engage...

Online platforms are prone to abuse and manipulations from strategic parties. For example, social media and review websites suffer from sentiment manipulations, manifested in the form of opinion spam and fake reviews. The consequence of such manipulations is the deterioration of information...