Growth and Fluctuations of Personal (and Company’s) Income II

  • Hideaki Aoyama
  • Yoshi Fujiwara
  • Wataru Souma
Conference paper


We report a modern-day theory. kinematics of income dynamics. The phenomenological study done on Japanese tax payers in high income bracket for 1997 and 1998, with identifications of individuals over these two years, revealed a law we called Universality We show here that this property combined with Stationarity of the income probability distribution function (pdf) leads to the Pareto’s law and the relation between the growth-rate pdf in the positive-growth region and that in the negative-growth region.


Personal Income Income Dynamic Income Bracket Taxable Profit High Income Bracket 
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Copyright information

© Springer Japan 2004

Authors and Affiliations

  • Hideaki Aoyama
    • 1
  • Yoshi Fujiwara
    • 2
  • Wataru Souma
    • 2
  1. 1.Faculty of Integrated Human StudiesKyoto UniversityKyotoJapan
  2. 2.ATR Human Information Science LaboratoriesKyotoJapan

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