Voronoi languages Equilibria in cheap-talk games with high-dimensional types and few signals

Jaeger G, Metzger LP, Riedel F (2011)
Games and Economic Behavior 73(2): 517-537.

Zeitschriftenaufsatz | Veröffentlicht| Englisch
 
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Autor/in
Jaeger, Gerhard; Metzger, Lars P.; Riedel, FrankUniBi
Abstract / Bemerkung
We study a communication game of common interest in which the sender observes one of infinite types and sends one of finite messages which is interpreted by the receiver. In equilibrium there is no full separation but types are clustered into contiguous cells. We give a full characterization of the strict Nash equilibria of this game as Voronoi languages. As the strategy set is infinite static stability concepts for finite games such as ESS are no longer sufficient for Lyapunov stability in the replicator dynamics. We give examples of unstable strict Nash equilibria and stable inefficient Voronoi languages. We derive efficient Voronoi languages with a large number of words and numerically illustrate stability of some Voronoi languages with large message spaces and non-uniformly distributed types. (C) 2011 Elsevier Inc. All rights reserved.
Stichworte
Voronoi tessellation; Dynamic stability; Communication game; Cheap talk; Signaling game
Erscheinungsjahr
2011
Zeitschriftentitel
Games and Economic Behavior
Band
73
Ausgabe
2
Seite(n)
517-537
ISSN
0899-8256
Page URI
https://pub.uni-bielefeld.de/record/2440603

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Jaeger G, Metzger LP, Riedel F. Voronoi languages Equilibria in cheap-talk games with high-dimensional types and few signals. Games and Economic Behavior. 2011;73(2):517-537.
Jaeger, G., Metzger, L. P., & Riedel, F. (2011). Voronoi languages Equilibria in cheap-talk games with high-dimensional types and few signals. Games and Economic Behavior, 73(2), 517-537. doi:10.1016/j.geb.2011.03.008
Jaeger, G., Metzger, L. P., and Riedel, F. (2011). Voronoi languages Equilibria in cheap-talk games with high-dimensional types and few signals. Games and Economic Behavior 73, 517-537.
Jaeger, G., Metzger, L.P., & Riedel, F., 2011. Voronoi languages Equilibria in cheap-talk games with high-dimensional types and few signals. Games and Economic Behavior, 73(2), p 517-537.
G. Jaeger, L.P. Metzger, and F. Riedel, “Voronoi languages Equilibria in cheap-talk games with high-dimensional types and few signals”, Games and Economic Behavior, vol. 73, 2011, pp. 517-537.
Jaeger, G., Metzger, L.P., Riedel, F.: Voronoi languages Equilibria in cheap-talk games with high-dimensional types and few signals. Games and Economic Behavior. 73, 517-537 (2011).
Jaeger, Gerhard, Metzger, Lars P., and Riedel, Frank. “Voronoi languages Equilibria in cheap-talk games with high-dimensional types and few signals”. Games and Economic Behavior 73.2 (2011): 517-537.