network; and [2] the incentives of a seller s to cooperate can be calculated as if the network was a random tree with seller s … sustaining cooperation, and on how to mitigate such costs. -- Networks ; moral hazard ; graph theory ; repeated games …

particular, if the linking costs are not too low and not too high, at least one such network is pairwise stable. Moreover, in … explanation for many core-periphery structures observed in real life social networks. -- Network Formation ; Heterogeneity …