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Evolution of cooperation under social pressure in multiplex networks
1GISC. Departamento de Matemáticas, Universidad Carlos III de Madrid, 28911 Madrid, Spain.
Physical Review. E
|October 15, 2016
Summary
The "being watched" social pressure can increase or decrease human cooperation. Network structure, particularly degree correlations in multiplex networks, determines the outcome of this social pressure on cooperative behavior.
Area of Science:
- Social Psychology
- Network Science
- Evolutionary Game Theory
Background:
- Human prosocial behavior is complex and influenced by social factors.
- Understanding cooperation evolution is key in social dynamics.
- Social pressure, like being observed, can alter individual and group behavior.
Purpose of the Study:
- To investigate the impact of "being watched" social pressure on cooperation.
- To analyze cooperation emergence in multiplex complex topologies.
- To model the interplay between social pressure and cooperative decision-making.
Main Methods:
- Utilized a two-layer multiplex network (duplex) with coupled dynamics.
- Implemented a Prisoner's Dilemma game on one layer and a threshold cascade model on the other.
- Analyzed various duplex network structures, including degree correlations.
Main Results:
- Social pressure from vigilance can positively or negatively affect cooperation.
- The impact of vigilance depends significantly on the duplex network structure.
- Degree correlations between network layers are a determinant factor in cooperation outcomes.
Conclusions:
- Multiplex network topology critically influences the effect of social pressure on cooperation.
- Vigilance can be a tool to promote or inhibit cooperation depending on network context.
- Provides quantitative insights into promoting cooperation under social pressure.
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