for assessing the influence of networks on demand and revenue patterns in electronic commerce, and provides new empirical …

topologies of social and technological networks in this organization. We statistically test the impact of the interplay between …

networks one site makes high investments in content and other sites link to it. Interestingly, competitive dynamics often … preclude the formation of link networks, even in settings where they would improve everyone's profits. Furthermore, such … networks improve economic efficiency only when all members have similar abilities to produce content; otherwise the less …

function is computationally infeasible even for very small networks. To overcome this problem, I propose a Bayesian Markov … application to the study of segregation in school friendship networks, using data from Add Health. The latter contains the actual …

To study how economic fundamentals affect the formation of social networks, a model is needed that (i) has agents …-of-friends is low, equilibrium networks can be either sparse or thick. But as soon as this value crosses a key threshold, the sparse … equilibrium disappears completely and only densely connected networks are possible. This transition mitigates an extreme …