期刊
GAMES AND ECONOMIC BEHAVIOR
卷 63, 期 1, 页码 203-226出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.geb.2007.08.009
关键词
language evolution; sender-receiver game; suboptimality; neutral stability; replicator dynamics; Lyapunov stability
类别
This paper gives a complete characterization of neutrally stable strategies for sender-receiver games in the style of Lewis, or Nowak and Krakauer [Lewis, D., 1969. Convention: A Philosophical Study. Harvard Univ. Press, Cambridge, MA; Nowak, M., Krakauer, D., 1999. The evolution of language. Proc. Nat. Acad. Sci. USA 96, 8028-8033]. Due to the dynamic implications of neutral stability, the replicator dynamics of this model does not necessarily lead to the rise of an optimal signaling system, where every state of the world is bijectively linked to one signal and vice versa, but it can be trapped in suboptimum situations where two (or more) signals are used for the same event, or two (or more) events are associated with one and the same signal. (c) 2007 Elsevier Inc. All rights reserved.
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