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Multiple effect of social influence on cooperation in interdependent network games
Luo-Luo Jiang1, Wen-Jing Li2, Zhen Wang3,4
1College of Physics and Electronic Information Engineering, Wenzhou University, Wenzhou, 325035, China.
Scientific Reports
|October 2, 2015
Summary
Social influence impacts decision-making across networks. This study on interdependent games shows that increasing social influence strength initially causes unequal cooperation, but ultimately leads to its extinction due to expanding cooperation clusters.
Area of Science:
- Evolutionary Game Theory
- Social Network Analysis
- Computational Social Science
Background:
- Social influence widely affects individual decision-making in human society.
- Interactions within social networks can impact choices in areas like elections and e-commerce.
- Understanding cooperation dynamics in interdependent systems is crucial.
Purpose of the Study:
- To investigate the effect of social influence on cooperation in interdependent games.
- To model strategy updating based on social learning and social influence.
- To explore how varying social influence strength impacts cooperation levels.
Main Methods:
- Coupling the snowdrift (SD) game and the prisoner's dilemma (PD) game on two interdependent networks.
- Implementing strategy updating via social learning (payoff difference) and social influence (majority rule).
- Conducting extensive Monte Carlo simulations to analyze cooperation evolution under different social influence strengths (s).
Main Results:
- Low social influence strength (s) results in unequal cooperation levels, with social learning dominating strategy updates.
- Intermediate to large social influence strengths synchronize strategy evolution but lead to the extinction of cooperation.
- Cooperation cluster expansion is identified as the underlying mechanism for these cooperation dynamics.
Conclusions:
- Social influence has a multifaceted impact on cooperation in interdependent networks.
- Increasing social influence can paradoxically lead to a complete loss of cooperation.
- The study offers insights into cooperation emergence within interconnected social systems.
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