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...

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...