stable and efficient networks in a variety of contexts and under several definitions of efficiency. …This paper studies the formation of networks among individuals. The focus is on the compatibility of overall societal … subject, and also provides new results on the existence of pairwise-stable networks and the relationship between pairwise …

model. We study Nash, strict Nash and pairwise stability for the intermediate models. Efficiency and dynamics are also …

Since the seminal contribution of Jackson & Wolinsky 1996 [A Strategic Model of Social and Economic Networks, JET 71 …, 44-74] it has been widely acknowledged that the formation of social networks exhibits a general conflict between … results that relate situations of positive externalities with stable networks that cannot be "too dense" in a well …

networks that are efficient from a societal viewpoint. It is shown that for some contexts, to reconcile efficiency with …This paper analyzes the formation of directed networks where self-interested individuals choose with whom they … contexts for which it is possible to ensure that efficient networks are individually stable via (re)distributions that are …

We propose a new concept, the pairwise farsightedly stable set, in order to predict which networks may be formed among … farsighted players. A set of networks G is pairto a network outside G are deterred by the threat of ending worse off or equally …