who are most central in a network according to "diffusion centrality", which nests other standard centrality measures … diffusion central (not just those with many friends). Moreover, these nominees are more central in the network than traditional …

vertically integrated network monopoly into a common infrastructure component and competing operating components. We implement …

There is a well-established high quality literature on the role of networks, particularly ethnic networks, in … international trade. Ethnic networks are a way of overcoming informal barriers (information costs, risk and uncertainty) to trade by … building trust and substituting for the difficulty of enforcing contracts internationally. The networks we are interested in …

depends on the interaction between the quality of the two networks, there is another serious problem, namely that no network … network of better quality is more expensive but may give an important edge to an operator when competing against a rival. We … network has an impact on all calls initiated by own customers (destined both on-net and off-net), we obtain a result of ‘tacit …