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Emotional Strategies As Catalysts For Cooperation In Signed Networks

Author

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  • SIMONE RIGHI

    (MTA TK "Lendület" Research Center for Educational and Network Studies (RECENS), Hungarian Academy of Sciences, Országház utca 30, Budapest 1014, Hungary)

  • KÁROLY TAKÁCS

    (MTA TK "Lendület" Research Center for Educational and Network Studies (RECENS), Hungarian Academy of Sciences, Országház utca 30, Budapest 1014, Hungary)

Abstract

The evolution of unconditional cooperation is one of the fundamental problems in science. A new solution is proposed to solve this puzzle. We treat this issue with an evolutionary model in which agents play the Prisoner's Dilemma on signed networks. The topology is allowed to co-evolve with relational signs as well as with agent strategies. We introduce a strategy that is conditional on the emotional content embedded in network signs. We show that this strategy acts as a catalyst and creates favorable conditions for the spread of unconditional cooperation. In line with the literature, we found evidence that the evolution of cooperation most likely occurs in networks with relatively high chances of rewiring and with low likelihood of strategy adoption. While a low likelihood of rewiring enhances cooperation, a very high likelihood seems to limit its diffusion. Furthermore, unlike in nonsigned networks, cooperation becomes more prevalent in denser topologies.

Suggested Citation

  • Simone Righi & Károly Takács, 2014. "Emotional Strategies As Catalysts For Cooperation In Signed Networks," Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 17(02), pages 1-23.
    • Handle: RePEc:wsi:acsxxx:v:17:y:2014:i:02:n:s0219525914500118
    DOI: 10.1142/S0219525914500118
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    Cited by:

    1. Song, Shenpeng & Feng, Yuhao & Xu, Wenzhe & Li, Hui-Jia & Wang, Zhen, 2022. "Evolutionary prisoner’s dilemma game on signed networks based on structural balance theory," Chaos, Solitons & Fractals, Elsevier, vol. 164(C).
    2. Mulazzani, Luca & Manrique, Rosa & Malorgio, Giulio, 2017. "The Role of Strategic Behaviour in Ecosystem Service Modelling: Integrating Bayesian Networks With Game Theory," Ecological Economics, Elsevier, vol. 141(C), pages 234-244.
    3. Simone Righi & Károly Takács, 2022. "Gossip: Perspective Taking to Establish Cooperation," Dynamic Games and Applications, Springer, vol. 12(4), pages 1086-1100, December.

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