A mechanism of Individualistic Indirect Reciprocity with internal and external dynamics

The cooperation mechanism of indirect reciprocity has been studied by making multiple variations of its parts. This research proposes a new variant of Nowak and Sigmund model, focused on agents' attitude; it is called Individualistic Indirect Reciprocity. In our model, an agent reinforces its strategy to the extent to which it makes a profit. We also include conditions related to the environment, visibility of agents, cooperation demand, and the attitude of an agent to maintain his cooperation strategy. Using Agent-Based Model and a Data Science method, we show on simulation results that the discriminatory stance of the agents prevails in most cases. In general, cooperators only appear in conditions with low visibility of reputation and a high degree of cooperation demand. The results also show that when the reputation of others is unknown, with a high obstinacy and high cooperation demand, a heterogeneous society is obtained. The simulations show a wide diversity of scenarios, centralized, polarized, and mixed societies.


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