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...

With the growth of online mental healthcare platforms, health professionals have been providing online consultation services in their spare time. However, little is known about the behaviors of health professionals on these platforms and their impact on achieving healthcare professionals' online...

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...