Understanding and measuring social inter-correlations among consumers are important for marketing researchers as consumers form social networks and their behavior and preference are likely to be interdependent. In this paper, we show that the estimation of consumers' social inter-correlations...

Online social networks such as Twitter and Facebook have become increasingly popular. An interesting question is whether, once people become friends in these online social networks, they really influence each other. Although a stream of research has studied the social interaction effect, many of...

Online individual fundraising has been a prominent component of online charitable giving due to the low cost of online solicitation. While studies of offline charity have shown that solicitation under peer pressure leads to higher donation, it is unclear whether this fundraising effect still...