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 … general results that relate situations of positive externalities with stable networks that cannot be “too dense” in a well …

in two different, disconnected components. Or there is “marginalization” of defectors, i.e. connected networks emerge … share of cooperators increases with the speed at which the network evolves, increases with the radius of interaction and …

We study (anti-) coordination problems in networks in a laboratory experiment. Partici- pants interact with their … neighbours in a fixed network to play a bilateral (anti-) coordination game. Our main treatment variable is the extent to which … players are heterogeneous in the number of connections (neighbors) they have. Other network characteristics are held constant …

Network structure has a significant role in determining the outcomes of many socioeconomic relationships, including the … antagonistic ones. In this paper we study a situation in which agents, embedded in a network, simultaneously play interrelated … bilateral contest games with their neighbors. Interrelatedness of contests induces complex local and global network effects. We …

solely on the types of the two end agents. Core periphery networks are defined as networks in which the agents' set can be … over the other, controlling for path length. An exhaustive analysis shows that core periphery networks, in which the … particular, if the linking costs are not too low and not too high, at least one such network is pairwise stable. Moreover, in …

-value or low-cost agent in the center. Stars are not born but rather develop: with a high-value agent, the network’s centrality …This paper reports results from a laboratory experiment on network formation among heterogeneous agents. The … experimental design extends the Bala-Goyal (2000) model of network formation with decay and two-way flow of benefits by allowing …

Pairwise stability (Jackson and Wolinsky, 1996) is the standard stability concept in network formation. It assumes … agents are farsighted, related stability concepts have been proposed. We design a simple network formation experiment to test …

Suppose that individual payoffs depend on the network connecting them. Consider the following simultaneous move game of … network formation: players announce independently the links they wish to form, and links are formed only under mutual consent …. We provide necessary and sufficient conditions on the network link marginal payoffs such that the set of pairwise stable …

The paper presents a model of network formation where every connected couple gives a contribution to the aggregate … connected graph), which happens for high k, and there is no decay, the diameter of such a network never exceeds 8 (i.e. there …

neighbors in the social network. The same activities often exert externalities that cumulate in "stocks" affecting agents … network of social relations, as agents display strategic substitution with distance-two neighbors. We show that behavior is … behavior and key-players tend to move to the periphery of the network, and we discuss the effect of close-knit communities and …