maximize it. Through the links in the collaboration network, researchers create spillovers not only to their direct coauthors … possibly overlapping projects. We bring our model to the data by analyzing the coauthorship network of economists registered in … the coauthorship network. Moreover, we analyze funding instruments for individual researchers as well as research …

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 …

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 …

This paper presents a model of collusive bargaining networks. Given a status quo network, game is played in two stages …: in the first stage, pairs of sellers form the network by signing two-sided contracts that allow sellers to use … equilibrium exists, sharing always generates maximum social welfare and eliminates the frictions created by the network structure …

We study two n-player sequential network formation games with externalities. Link formation is tied to simultaneous …. -- Efficiency ; Bargaining Protocol ; Counterproposals ; Network Formation ; Transfers ; Externalities ; Groups ; Coalitions …

emerge at equilibrium. We define the notion of coalitional network to represent a network and a coalition structure, where … the network specifies the nature of the relationship each individual has with his coalition members and with individuals … contractual stability which requires that any change made to the coalitional network needs the consent of both the deviating …

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 …

Two project leaders (or entrepreneurs) in a network, which captures social relations, recruit players in a strategic … selects one equilibrium at a time. An agent's expected payoff is related to his position in the network, though no centrality …

objectives here are to model the structure and strategy of interactions prevailing at any point in time as a directed network and … to address the following open question in the theory of social and economic network formation: given the rules of network … networks, and the trembles of nature, what network and coalitional dynamics are likely to emerge and persist. Our main …