Opinion spammers exploit consumer trust by posting false or deceptive reviews that may have a negative impact on both consumers and businesses. These dishonest posts are difficult to detect because of complex interactions between several user characteristics such as review velocity, volume, and...

Content on non-profit user-generated content (UGC) platforms, such as Wikipedia, is generally created and maintained as open-collaboration projects by UGC communities who are also users of these platforms. Furthermore, the financial sustainability of these platforms depends on funding from...

The performance of prediction markets depends crucially on the quality of user contribution. A social media-based prediction market can utilize aspects of social effects to improve users' contribution quality. Drawing upon literature from diverse areas such as prediction markets, knowledge...

Explosive growth in the number of users on various social media platforms has transformed the way firms strategize their marketing activities. To take advantage of the vast size of social networks, firms have now turned their attention to influencer marketing wherein they employ independent...

Individual celebrities or “human brands” in fields ranging from sports to art to politics use social media platforms to connect and engage with their audience. We analyze the effects of the content generated by human brands (referred to as human brand generated content) on the popular social...