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Population Evolution Model With The Wealth Of The Individual Based On Penna Model

Author

Listed:
  • MINGFENG HE

    (Department of Applied Mathematics, Institute of University Students' Innovation, Dalian University of Technology, Dalian, 116024, China)

  • BINGLIN YU

    (Institute of University Students' Innovation, Dalian University of Technology, Dalian, 116024, China)

  • LIYU CHEN

    (Institute of University Students' Innovation, Dalian University of Technology, Dalian, 116024, China)

  • JIAN FANG

    (Institute of University Students' Innovation, Dalian University of Technology, Dalian, 116024, China)

Abstract

We present a simulation model based on the Penna model to study the population evolution. The wealth of the individual is considered in the model. We define increasing ratio α and decreasing ratio β of the wealth presenting the individual wealth variation, also define minimum wealthPROMOwhich works when one reproduces. We study the influence of α and β on a species' survival or downfall, and the influence ofPROMOon the age distribution of a species. According to the different values of α and β, we find diverse regimes where a species will survive or die out, and even the regime where species' survival or downfall are very sensitive. We study the relation between life expectancy and the wealth of the individual, finding that life expectancy doesn't increase but decrease a little when the wealth of the individual increases.

Suggested Citation

  • Mingfeng He & Binglin Yu & Liyu Chen & Jian Fang, 2005. "Population Evolution Model With The Wealth Of The Individual Based On Penna Model," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 16(05), pages 807-814.
    • Handle: RePEc:wsi:ijmpcx:v:16:y:2005:i:05:n:s0129183105007546
    DOI: 10.1142/S0129183105007546
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