emergence of a black market embedded in a social network.  Based  on  an  original  and  representative  2012  French  survey … exchange digital  files.  We  show  that  offline  swapping  is  embedded  in  a  hierarchical  social  network  where … this offline network and maintain online downloading activity through P2P technology. On the other hand, there are also the …

. We also find that newer and more popular products "use" the attention they garner from their network position more … efficiently and that diversity in the sources of spillover further amplifies the demand effects of the recommendation network. Our … paper presents new evidence quantifying the role of network position in electronic markets and highlights the power of …

Social contacts influence decisions and economic outputs in a variety of contexts. Does social network matter also in … connections. Furthermore, positional advantages in the social network generate superior performance. This evidence suggests that …

behavior of following and being followed as out-degree and in-degree respectively, a microblog social network was built in this … degree, the exponent decreases much slower. Based on empirical analysis, we proposed a social network based human dynamics …

We introduce a stochastic model which describes the information diffusion on the network of a popular web service …

approach based on a network of cliques. This approach consists not only of a set of new indices to capture the properties of a … network of cliques but also of a method to characterize complex networks of cliques (i.e., some of the parameters are proposed …