Consumers’ purchase decisions can be influenced by others’ opinions, i.e., word-of-mouth (WOM), and/or others’ actions, i.e., observational learning. While information technologies are creating increasing opportunities for firms to facilitate/manage these two types of social interaction,...

The aim of this paper is to study the empirical phenomenon of rating bubbles, i.e. clustering on extremely positive values in e-commerce platforms and rating web sites. By means of a field experiment that exogenously manipulates prior ratings for a hotel in an important Italian tourism...

Online consumer product review is an emerging market phenomenon that is playing an increasingly important role in consumers' purchase decisions. This paper examines a fundamental issue concerning online consumer review, i.e., the functions such reviews have for an online marketer. We argue that...

Social networking is currently the most popular online activity among consumers worldwide. Today in business context, Social media is achieving increasing importance as a channel for consumer's online participation and engagement. Brands are developing its presence in social networking sites to...

More and more business customers use social media to express their opinions about products, services and brands. This study aims to make a step further in understanding consumer engagement in electronic word of mouth (eWOM) on Facebook and its impact on recommending and purchasing products. To...

Consumer reviews may reflect not only perceived quality but also the difference between quality and price (perceived value). In markets where product prices change frequently, these price-influenced reviews may be biased as a signal of product quality when used by consumers possessing no...

As much as forty percent of social media users have been harassed online, but there is scarce causal evidence of how toxic content impacts user engagement and whether it is contagious. In a pre-registered field experiment, we recruited participants to install a browser extension, and randomly...

Product review platforms in online marketplaces differ with respect to the granularity of product quality information they provide. While some platforms provide a coarse single overall rating for product quality (also referred to as single-dimensional rating scheme), others provide a more...

The purpose of this paper is to present and analyze successful viral marketing campaigns of Turkish advertisements in the form of a case study to determine which factors seem to play the most important role in terms of viral marketing message perception in Turkey. As a country in which the...

Word-of-mouth (WOM) plays an increasingly important role today in shaping consumers' attitudes and buying behaviors. Prior work in marketing has mainly focused on the aggregate impact of WOM on product sales as well as the generation of WOM. Very little attention has been paid to the consumption...