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Agent based modeling of the coevolution of hostility and pacifism

Author

Listed:
  • Fermin Dalmagro

    (Laboratorio de Fenómenos no Lineales, Escuela de Física, Facultad de Ciencias, Universidad Central de Venezuela, Caracas, Venezuela)

  • Juan Jimenez

    (Centro de Cómputo Científico, Universidad Simón Bolívar, Sartenejas, Venezuela;
    Red de Estudios Interdisciplinarios, Academia Nacional de Ciencias Físicas, Matemáticas y Naturales, Venezuela)

Abstract

We propose a model based on a population of agents whose states represent either hostile or peaceful behavior. Randomly selected pairs of agents interact according to a variation of the Prisoners Dilemma game, and the probabilities that the agents behave aggressively or not are constantly updated by the model so that the agents that remain in the game are those with the highest fitness. We show that the population of agents oscillate between generalized conflict and global peace, without either reaching a stable state. We then use this model to explain some of the emergent behaviors in collective conflicts, by comparing the simulated results with empirical data obtained from social systems. In particular, using public data reports we show how the model precisely reproduces interesting quantitative characteristics of diverse types of armed conflicts, public protests, riots and strikes.

Suggested Citation

  • Fermin Dalmagro & Juan Jimenez, 2015. "Agent based modeling of the coevolution of hostility and pacifism," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 26(09), pages 1-16.
    • Handle: RePEc:wsi:ijmpcx:v:26:y:2015:i:09:n:s0129183115500989
    DOI: 10.1142/S0129183115500989
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    Cited by:

    1. Jerónimo Ríos, 2018. "From war to peace: Understanding the end of the armed conflict in Colombia," Rationality and Society, , vol. 30(4), pages 463-490, November.

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