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Memory Boosts Cooperation

Author

Listed:
  • RAMÓN ALONSO-SANZ

    (ETSI Agrónomos (Estadística), UPM, C. Universitaria. 28040, Madrid, Spain)

  • MARGARITA MARTÍN

    (F.Veterinaria (Bioquímica y Biol. Molecular IV), UCM, C. Universitaria. 28040, Madrid, Spain)

Abstract

The standard spatial formulation of the iterated Prisoner's Dilemma is ahistoric (memoryless): i.e., only the results generated in the last round are taken into account in deciding the next choice. Historic memory can be implemented by featuring players by a summary of their previous winnigs and choices. Here we study the effect of limited trailing memory: only the last three iterations are recorded. The effects of full and discounted memory are assessed. It is concluded that this short-type memory stimulates cooperation.

Suggested Citation

  • Ramón Alonso-Sanz & Margarita Martín, 2006. "Memory Boosts Cooperation," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 17(06), pages 841-852.
    • Handle: RePEc:wsi:ijmpcx:v:17:y:2006:i:06:n:s012918310600928x
    DOI: 10.1142/S012918310600928X
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    Cited by:

    1. Wang, Tao & Chen, Zhigang & Li, Kenli & Deng, Xiaoheng & Li, Deng, 2014. "Memory does not necessarily promote cooperation in dilemma games," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 395(C), pages 218-227.
    2. Ji, Jiezhou & Pan, Qiuhui & Zhu, Wenqiang & He, Mingfeng, 2023. "The influence of own historical information and environmental historical information on the evolution of cooperation," Applied Mathematics and Computation, Elsevier, vol. 446(C).

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