Dissemination Of Opinions And Ideas Via Complex Contagion On Social Networks
Technical Report,01 Jul 2015,30 Aug 2016
UNIVERSITY OF MELBOURNE PARKVILLE Australia
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By incorporating a model of cultural dynamics involving both mutable cultural and immutable features into a model of neighborhood segregation and social network formation, this research shows that under some conditions, diversity and social network clustering modeling sense of community need no longer be negatively correlated, as has been claimed. This implies that diversity on immutable human characteristics such as race or ethnicity does not have to undermine sense of community, so long as there is a sufficient variety of possible mutable i.e. cultural features which people can adopt and share. A model of the coevolution of culture and cooperation was developed based on the Axelrod model of cultural dissemination and a spatial public goods game an extension of the well-known prisoners dilemma to more than two players. The results from this model suggest that cultural diversity can actually be beneficial for the survival of cooperation, but that cultural information needs to be transmitted accurately to maintain both coherent cultural groups and cooperation.