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 …

and the implications for the structure of pairwise stable networks. First, different definitions of convexity (concavity … own links and strategic complements, a local uniqueness property of pairwise stable networks is derived. The results do …

into weaker forms of collaborations including value chains and networks. This observation has forced are … in supply chains and networks. The paper offers suggestions on empirical methods forestimation of measures derived. …

Online Consumer-to-Consumer Communication Networks are characterized by informational and social benefits as well as …

In three chapters I study the formation of social networks, and the impact the structures that arise may have in … many links to one another, and form a dense core structure in the network, while outsiders coordinate their links by … connecting to an insider, and form a sparse periphery . Networks form stochastically, contingent on the private values of each …

notion of an interval core has been coined and proposed as a solution concept for interval-valued games. In this paper we … will present a general mathematical programming algorithm which can be applied to find an element in the interval core. As … demonstrate how interval core elements can be computed. Also, we reveal that pitfalls exist if interval core elements are computed …

coalition production economy corresponding to the game. First, it is shown that the full core of a TU game is not empty if and … only if the completion of the game is balanced. The full core is defined free of any particular coalition structure and the … coalitions of the game emerge endogenously from the full core. Second, it is shown that the full core of a completion …