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Related Experiment Video

Updated: May 8, 2026

The HoneyComb Paradigm for Research on Collective Human Behavior

The HoneyComb Paradigm for Research on Collective Human Behavior

Published on: January 19, 2019

Spreading of cooperative behaviour across interdependent groups.

Luo-Luo Jiang¹, Matjaž Perc

¹College of Physics and Electronic Information Engineering, Wenzhou University, 325035 Wenzhou, China. jiangluoluo@gmail.com

Scientific Reports

|August 22, 2013

Summary

An intermediate number of links between groups optimally promotes cooperation in the prisoner's dilemma game. Too many or too few links hinder the spread of cooperative behavior between networks.

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Area of Science:

Network science
Evolutionary game theory
Social behavior

Background:

Links between groups can influence individual behavior, potentially leading to cooperation.
Network structures can impact phenomena like cascading failures and information flow.

Purpose of the Study:

To determine the optimal fraction of links between groups for fostering cooperation.
To investigate how network topology affects cooperation in the prisoner's dilemma game.

Main Methods:

Simulations of the prisoner's dilemma game on networks with varying between-group link densities.
Analysis of cooperation levels across different group topologies (regular, random, scale-free).

Main Results:

An intermediate fraction of between-group links maximizes cooperation.
Excessive links lead to group unification, while insufficient links limit information exchange.
Between-group links are more likely to connect cooperators than within-group links.

Conclusions:

The density of inter-group connections is critical for the evolution of cooperation.
Optimizing between-group links is essential for facilitating cooperative behavior across networks.