Optional interactions and suspicious behaviour facilitates trustful cooperation in prisoners dilemma

T. Priklopil, K. Chatterjee, M. Nowak, Journal of Theoretical Biology 433 (2017) 64–72.

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Journal Article | Published | English
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Abstract
In evolutionary game theory interactions between individuals are often assumed obligatory. However, in many real-life situations, individuals can decide to opt out of an interaction depending on the information they have about the opponent. We consider a simple evolutionary game theoretic model to study such a scenario, where at each encounter between two individuals the type of the opponent (cooperator/defector) is known with some probability, and where each individual either accepts or opts out of the interaction. If the type of the opponent is unknown, a trustful individual accepts the interaction, whereas a suspicious individual opts out of the interaction. If either of the two individuals opt out both individuals remain without an interaction. We show that in the prisoners dilemma optional interactions along with suspicious behaviour facilitates the emergence of trustful cooperation.
Publishing Year
Date Published
2017-11-21
Journal Title
Journal of Theoretical Biology
Volume
433
Page
64 - 72
ISSN
IST-REx-ID

Cite this

Priklopil T, Chatterjee K, Nowak M. Optional interactions and suspicious behaviour facilitates trustful cooperation in prisoners dilemma. Journal of Theoretical Biology. 2017;433:64-72. doi:10.1016/j.jtbi.2017.08.025
Priklopil, T., Chatterjee, K., & Nowak, M. (2017). Optional interactions and suspicious behaviour facilitates trustful cooperation in prisoners dilemma. Journal of Theoretical Biology, 433, 64–72. https://doi.org/10.1016/j.jtbi.2017.08.025
Priklopil, Tadeas, Krishnendu Chatterjee, and Martin Nowak. “Optional Interactions and Suspicious Behaviour Facilitates Trustful Cooperation in Prisoners Dilemma.” Journal of Theoretical Biology 433 (2017): 64–72. https://doi.org/10.1016/j.jtbi.2017.08.025.
T. Priklopil, K. Chatterjee, and M. Nowak, “Optional interactions and suspicious behaviour facilitates trustful cooperation in prisoners dilemma,” Journal of Theoretical Biology, vol. 433, pp. 64–72, 2017.
Priklopil T, Chatterjee K, Nowak M. 2017. Optional interactions and suspicious behaviour facilitates trustful cooperation in prisoners dilemma. Journal of Theoretical Biology. 433, 64–72.
Priklopil, Tadeas, et al. “Optional Interactions and Suspicious Behaviour Facilitates Trustful Cooperation in Prisoners Dilemma.” Journal of Theoretical Biology, vol. 433, Academic Press, 2017, pp. 64–72, doi:10.1016/j.jtbi.2017.08.025.

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