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Effects of imitation in a competing and evolving population

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  • Quan, Hongjun
  • Wang, Bing-Hong
  • Hui, P.M.

Abstract

We propose and study a modified version of the evolutionary minority game consisting of a competing population. Agents in the population are repeatedly competing to be in a minority and they have a common strategy. Each agent has a parameter p characterizing the probability that she is following the prediction of the common strategy. Agents are lined up in a one-dimensional chain with periodic boundary condition. Imitation is allowed among nearest neighboring agents. Numerical results show that the agents evolve into a state in which they self-segregate into opposite groups characterized by extreme behavior and imitation leads to considerable enhancement in the overall performance of the population.

Suggested Citation

  • Quan, Hongjun & Wang, Bing-Hong & Hui, P.M., 2002. "Effects of imitation in a competing and evolving population," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 312(3), pages 619-626.
    • Handle: RePEc:eee:phsmap:v:312:y:2002:i:3:p:619-626
    DOI: 10.1016/S0378-4371(02)00963-9
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