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Prisoner's dilemma game model Based on historical strategy information
1College of Computer and Information Science, Southwest University, Chongqing, 400715, China. 15284732911@163.com.
Scientific Reports
|January 2, 2023
Summary
Increasing memory length and weight in the prisoner's dilemma game promotes cooperation. Historical strategy information is key for decision-making in cooperative evolution.
Area of Science:
- Evolutionary Game Theory
- Computational Social Science
- Behavioral Economics
Background:
- Cooperation in dilemmas is influenced by multiple factors beyond historical benefits.
- Previous studies often neglect strategy stability and memory proportion in decision-making.
- Understanding cooperative evolution requires considering memory's impact on strategy updates.
Purpose of the Study:
- To investigate the influence of historical strategy information stability on cooperation evolution.
- To analyze the effect of memory weight on promoting cooperation in the prisoner's dilemma game.
- To develop a new strategy update rule incorporating stability and memory proportion.
Main Methods:
- Proposed a novel strategy update rule for evolutionary game theory.
- Quantified strategy stability by the continuity of historical strategy information.
- Employed numerical simulations to analyze cooperation dynamics.
Main Results:
- An increased length of historical memory significantly enhances cooperation.
- A greater weight assigned to historical strategy information further promotes cooperation.
- Historical strategy information remains the primary driver in decision-making processes.
Conclusions:
- Memory stability and weight are crucial factors in fostering cooperation.
- Findings offer insights into cooperative evolution in natural, biological, and social systems.
- The study provides a framework for designing effective cooperation-promoting mechanisms.
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