Under the sociological theory of homophily, people who are similar to one another are more likely to interact with one another. Marketers often have access to data on interactions among customers from which, with homophily as a guiding principle, inferences could be made about the underlying...

The authors develop a four-dimensional scale to measure members'satisfaction with virtual communities. The dimensions consist ofmembers' satisfaction with member-member interactions,organizer-member interactions, organizer-community interactions, andthe community's site. Using a sample of 3605...

Galician Abstract: O impacto socio-económico do turismo está atraendo a atención dos estudios de políticas públicas. A actividade turística pode producir relevantes beneficios económicos, pero pode tamén producir impactos negativos nas comunidades locais, o seu patrimonio cultural así...

A common phenomena in modern recommendation systems is the use of feedback from one user to infer the ‘value’ of an item to other users. This results in an exploration vs. exploitation trade-off, in which items of possibly low value have to be presented to users in order to ascertain their...

Peer influence through word-of-mouth (WOM) plays an important role in many information systems but identification of causal effects is challenging. We identify causal WOM effects in the empirical setting of game adoption in a social network for gamers by exploiting differences in individuals’...

The rise of social media is causing challenges for brand managers of premium manufacturers in the fast moving consumer goods industry. Social Media platforms as innovative and open communication channels have to be integrated in the established media mix while preventing the damage of the...

The proliferation of the Internet and the latest mobile communication technologies have given rise to new forms of communication that made it easier for sellers as well as consumers to communicate and conduct business in real time and in virtual space with manufacturers, retailers or among each...

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...

The social media phenomenon has provided tremendous opportunities for self-promotion. From global pop star, Psy, reaching over 1.2 billion YouTube viewers (as of this writing) with his smash hit, “Gangnam Style” to recent college graduates “getting themselves out there” in the job market...

This paper estimates a dynamic model of user behavior in a social network site using unique data on the daily login activity of a sample of members of MySpace.com. We view a social network as a stock of capital that yields a flow of utilities over time by creating interactions between the site...