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Pairwise-Stability and Nash Equilibria in Network Formation
Calvó-Armengol, Antoni; Ilkiliç, Rahmi - Fondazione ENI Enrico Mattei (FEEM) - 2005
, pairwise-Nash and proper equilibrium networks coincide, where pairwise stable networks are robust to one-link deviations, while … pairwise-Nash networks are robust to one-link creation but multi-link severance. Under these conditions, proper equilibria in …
Persistent link: https://www.econbiz.de/10005570313
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Cournot Competition on a Network of Markets and Firms
Ilkiliç, Rahmi - Fondazione ENI Enrico Mattei (FEEM) - 2009
Suppose markets and firms are connected in a bi-partite network, where firms can only supply to the markets they are connected to. Firms compete a la Cournot and decide how much to supply to each market they have a link with. We assume that markets have linear demand functions and firms have...
Persistent link: https://www.econbiz.de/10005008039
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Network of Commons
Ilkiliç, Rahmi - Fondazione ENI Enrico Mattei (FEEM) - 2008
A tragedy of the commons appears when the users of a common resource have incentives to exploit it more than the socially efficient level. We analyze the situation when the tragedy of the commons is embedded in a network of users and sources. Users play a game of extractions, where they decide...
Persistent link: https://www.econbiz.de/10005423231
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Under-connected and Over-connected Networks
Hellmann, Tim; Buechel, Berno - Fondazione ENI Enrico Mattei (FEEM) - 2009
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 …
Persistent link: https://www.econbiz.de/10005008043
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In Search of Stars: Network Formation among Heterogeneous Agents
Ule, Aljaž; Goeree, Jacob K.; Riedl, Arno - Fondazione ENI Enrico Mattei (FEEM) - 2007
-value or low-cost agent in the center. Stars are not born but rather develop: with a high-value agent, the network’s centrality … predominance of star-like structures in real-life social networks. …
Persistent link: https://www.econbiz.de/10005423187
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(Anti-) Coordination in Networks
Kovarik, Jaromir; Mengel, Friederike; Romero, José Gabriel - Fondazione ENI Enrico Mattei (FEEM) - 2010
We study (anti-) coordination problems in networks in a laboratory experiment. Partici- pants interact with their …
Persistent link: https://www.econbiz.de/10008467327
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Stochastic Stability in the Best Shot Game
Boncinelli, Leonardo; Pin, Paolo - Fondazione ENI Enrico Mattei (FEEM) - 2010
The best shot game applied to networks is a discrete model of many processes of contribution to local public goods. It …
Persistent link: https://www.econbiz.de/10008674338
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The Formation of Networks with Transfers among Players
Jackson, Matthew O.; Bloch, Francis - Fondazione ENI Enrico Mattei (FEEM) - 2004
We examine the formation of networks among a set of players whose payoffs depend on the structure of the network. We … links. We characterize the networks that are supported under these variations and show how each of the above aspects is …
Persistent link: https://www.econbiz.de/10005392531
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Small World Networks with Segregation Patterns and Brokers
Gallo, Edoardo - Fondazione ENI Enrico Mattei (FEEM) - 2009
Many social networks have the following properties: (i) a short average distance between any two individuals; (ii) a … parameters, all pairwise Nash (PN) networks have properties (i)-(iv). There are some PN networks with one hub. Cognizant agents …
Persistent link: https://www.econbiz.de/10005008025
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Team Formation in a Network
Kinateder, Markus - Fondazione ENI Enrico Mattei (FEEM) - 2009
Two project leaders (or entrepreneurs) in a network, which captures social relations, recruit players in a strategic, competitive and time-limited process. Each team has an optimal size depending on the project’s quality. This is a random variable with a commonly known distribution. Only the...
Persistent link: https://www.econbiz.de/10005008038