Vulnerability and Evolution of Cooperation in the Metanorms Game

Proceedings of the 3rd World Congress on Social Simulation WCSS2010,2010(9)

Yamamoto, Hitoshi and Isamu Okada


Some research studies have pointed out that the establishment of cooperation by metanorms as proposed by Axelrod holds only for a narrow parameter space. We closely examined the conditions under which cooperation would be established by metanorms and searched out the conditions for which cooperation could continue to exist in a stable manner. It was found that cooperation could be established by maintaining variety. It was also discovered that stability in cooperation could be robustly achieved in a relatively wide parameter space by always having a few defectors in society.


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