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van Baalen, M. and Jansen, V. A. A. (2003) Common language or Tower of Babel? On the evolutionary dynamics of signals and their meanings. Proceedings of The Royal Society of London. Series B, Biological Sciences, 270(1510):69--76.
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Abstract

We investigate how the evolution of communication strategies affects signal credibility when there is common interest as well as a conflict between communicating individuals. Taking alarm calls as an example, we show that if the temptation to cheat is low, a single signal is used in the population. If the temptation increases cheaters will erode the credibility of a signal, and an honest mutant using a different signal ('a private code') will be very successful until this, in turn, is cracked by cheaters. In such a system, signal use fluctuates in time and space and hence the meaning of a given signal is not constant. When the temptation to cheat is too large, no honest communication can maintain itself in a Tower of Babel of many signals. We discuss our analysis in the light of the Green Beard mechanism for the evolution of altruism.

Keywords: Evolution, Communication, Language, Cooperation, Conflict, Green Beards

BibTex
@article{baalen03commonLanguage,
  author={Minus van Baalen and Vincent A. A. Jansen},
  title={Common language or Tower of Babel? On the evolutionary dynamics of signals and their meanings},
  journal={Proceedings of The Royal Society of London. Series B, Biological Sciences},
  year={2003},
  month={January},
  volume={270},
  number={1510},
  pages={69-76},
  doi={10.1098/rspb.2002.2151},
  url={http://www.isrl.uiuc.edu/~amag/langev/paper/baalen03commonLanguage.html},
  keywords={Evolution, Communication, Language, Cooperation, Conflict, Green Beards}
}

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