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...

Firms of all sizes are trying to “join the conversation” on social media platforms, such as Twitter and Facebook, and are increasingly trademarking hashtags related to their products and brands. This new practice of trademarking hashtags has produced an important opportunity for empirical...

This study examines the effects of a no-tipping policy on online customer reviews in the restaurant industry. Relevant literature in hospitality and behavioral economics suggests that on average, no-tipping can reduce customer satisfaction. However, it remains unclear how customers might respond...