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Status hierarchies and the emergence of cooperation in task groups
Hsuan-Wei Lee | Published Thursday, January 02, 2025This repository contains an agent-based simulation model exploring how status hierarchies influence the emergence and sustainability of cooperation in task-oriented groups. The model builds on evolutionary game theory to examine the dynamics of cooperation under single-leader and multi-leader hierarchies, investigating factors such as group size, assortativity, and hierarchical clarity. Key findings highlight the trade-offs between different leadership structures in fostering group cooperation and reveal the conditions under which cooperation is most stable.
The repository includes code for simulations, numerical analysis scripts, and visualization tools to replicate the results presented in the manuscript titled “Status hierarchies and the emergence of cooperation in task groups.”
Feel free to explore, reproduce the findings, or adapt the model for further research!
Transitions between homophilic and heterophilic modes of cooperation
Genki Ichinose | Published Sunday, June 14, 2015 | Last modified Sunday, November 14, 2021In our model, individual agents are distributed over a two-dimensional square lattice. The agents play the prisoner’s dilemma game with their neighbors, imitate the highest strategy, and then migrate to empty sites based on their tag preference.