This paper examines how a restaurant's online review ratings affect consumers to endorse deal vouchers sold by the restaurant via social media before they redeem the vouchers. While the effect of the average of review ratings is straightforward, we focus on examining how the effect is moderated...

Modern online retailing practices provide consumers with new types of real-time information that can potentially increase demand. In particular, showing sales information to a customer can increase certainty about product quality, inducing consumers to herd. This effect can be particularly...