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A Noncooperative Model of Network Formation
We present an approach to network formation based on the notion that social networks are formed by individual decisions that trade off the costs of forming and maintaining links against the potentialExpand
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Networks of collaboration in oligopoly
In an oligopoly, prior to competing in the market, firms have an opportunity to form pair-wisecollaborative links with other firms. These pair-wise links involve a commitment of resources andlead toExpand
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Learning from neighbours
When payoffs from different actions are unknown, agents use their own past experience as well as the experience of their neighbours to guide their decision making. In this paper, we develop a generalExpand
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A strategic analysis of network reliability
Abstract. We consider a non-cooperative model of information networks where communication is costly and not fully reliable. We examine the nature of Nash networks and efficient networks.We find thatExpand
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Economics: An Emerging Small World?
We study the evolution of social distance among economists over the period 1970–2000. While the number of economists has more than doubled, the distance between them, which was already small, hasExpand
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The Law of the Few
Empirical work shows that a large majority of individuals get most of their information from a very small subset of the group, viz., the influencers; moreover, there exist only minor differencesExpand
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Structural holes in social networks
We consider a setting where every pair of players that undertake a transaction (e.g. exchange goods or information) creates a unit surplus.A transaction can take place only if the players involvedExpand
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Bilateralism and Free Trade
We study a setting with many countries; in each country there are firms that can sell in the domestic as well as foreign markets. Countries can sign bilateral free-trade agreements that lower importExpand
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R&D Networks
We develop a model of strategic networks that captures two distinctive features of interfirm collaboration: bilateral agreements and nonexclusive relationships. Our analysis highlights theExpand
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Network formation with heterogeneous players
This paper studies network formation in settings where players are heterogeneous with respect to benefits as well as the costs of forming links. Our results demonstrate that centrality,Expand
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