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Social activity and network formation
Baetz, Oliver - In: Theoretical Economics 10 (2015) 2, pp. 315-340
. There exists a unique and stable positive activity equilibrium on exogenous networks under mild conditions. When we …
Persistent link: https://www.econbiz.de/10011599542
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Social distance and network structures
Iijima, Ryota; Kamada, Yuichiro - In: Theoretical Economics 12 (2017) 2, pp. 655-689
determines the structures of networks. In our model, agents are endowed with their own multidimensional characteristics and their … stable networks, and analyze how they are related to the way agents measure social distances. The model predicts the small …-formation costs, the model also accommodates other well documented empirical patterns of social networks such as skewed degree …
Persistent link: https://www.econbiz.de/10012010081
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Social activity and network formation
Baetz, Oliver - In: Theoretical Economics 10 (2015) 2
. There exists a unique and stable positive activity equilibrium on exogenous networks under mild conditions. When we …
Persistent link: https://www.econbiz.de/10010765119
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Efficiency in repeated games with local interaction and uncertain local monitoring
Nava, Francesco; Piccione, Michele - In: Theoretical Economics 9 (2014) 1, pp. 279-312
The paper discusses community enforcement in infinitely repeated, two-action games with local interaction and uncertain monitoring. Each player interacts with and observes only a fixed set of opponents, of whom he is privately informed. The main result shows that when beliefs about the...
Persistent link: https://www.econbiz.de/10011599512
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Attack and interception in networks
Bloch, Francis; Chatterjee, Kalyan; Dutta, Bhaskar - In: Theoretical Economics 18 (2023) 4, pp. 1511-1546
This paper studies a game of attack and interception in a network, where a single attacker chooses a target and a path, and each node chooses a level of protection. We show that the Nash equilibrium of the game exists and is unique. We characterize equilibrium attack paths and attack...
Persistent link: https://www.econbiz.de/10014536957
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Efficiency in repeated games with local interaction and uncertain local monitoring
Nava, Francesco; Piccione, Michele - In: Theoretical Economics 9 (2014) 1
The paper discusses community enforcement in infinitely repeated, two-action games with local interaction and uncertain monitoring. Each player interacts with and observes only a fixed set of opponents, of whom he is privately informed. The main result shows that when beliefs about the...
Persistent link: https://www.econbiz.de/10010738410
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Designing stable mechanisms for economic environments
Healy, Paul J.; Mathevet, Laurent - In: Theoretical Economics 7 (2012) 3, pp. 609-661
We study the design of mechanisms that implement Lindahl or Walrasian allocations and whose Nash equilibria are dynamically stable for a wide class of adaptive dynamics. We argue that supermodularity is not a desirable stability criterion in this mechanism design context, focusing instead on...
Persistent link: https://www.econbiz.de/10011599472
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Refined best reply correspondence and dynamics
Kuzmics, Christoph; Balkenborg, Dieter; Hofbauer, Josef - In: Theoretical Economics 8 (2013) 1, pp. 165-192
We call a correspondence, defined on the set of mixed strategy pro les, a generalized best reply correspondence if it (1) has a product structure, (2) is upper hemi-continuous, (3) always includes a best reply to any mixed strategy pro le, and (4) is convex- and closed-valued. For each...
Persistent link: https://www.econbiz.de/10011599479
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Equilibria in symmetric games: Theory and applications
Hefti, Andreas - In: Theoretical Economics 12 (2017) 3, pp. 979-1002
This article presents a new approach to analyze the equilibrium set of symmetric, differentiable games by separating multiple symmetric equilibria and asymmetric equilibria. This separation allows the investigation of, for example, how various parameter constellations affect the scope for...
Persistent link: https://www.econbiz.de/10012010004
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On the existence of approximate equilibria and sharing rule solutions in discontinuous games
Bich, Philippe; Laraki, Rida - In: Theoretical Economics 12 (2017) 1, pp. 79-108
This paper studies the existence of equilibrium solution concepts in a large class of economic models with discontinuous payoff functions. The issue is well understood for Nash equilibria, thanks to Reny's better-reply security condition ( Reny 1999) and its recent improvements (Barelli and...
Persistent link: https://www.econbiz.de/10012010064