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Gender income disparity in the USA: analysis and dynamic modelling

Author

Listed:
  • Kitov, Ivan
  • Kitov, Oleg
Abstract
We analyze and develop a quantitative model describing the evolution of personal income distribution (PID) for males and females in the U.S. between 1930 and 2014. The overall microeconomic model, which we introduced ten years ago, accurately predicts the change in mean income as a function of age as well as the dependence on age of the portion of people distributed according to the Pareto law. As a result, we have precisely described the change in Gini ratio since the start of income measurements in 1947. The overall population consists of two genders, however, which have different income distributions. The difference between incomes earned by male and female population has been experiencing dramatic changes over time. Here, we model the internal dynamics of men’s and women’s PIDs separately and then describe their relative contribution to the overall PID. Our original model is refined to match all principal gender-dependent observations. We found that women in the U.S. are deprived of higher job positions (work capital). This is the cause of the long term income inequality between males and females in the U.S. It is unjust to women and has a negative effect on real economic growth. Women have been catching up since the 1960s and that improves the performance of the U.S. economy. It will take decades, however, to full income equality between genders. There are no new defining parameters included in the model except the critical age, when people start to lose their incomes, was split into two critical ages for low-middle incomes and the highest incomes, which obey a power law distribution. Such an extension becomes necessary in order to match the observation that the female population in the earlier 1960s was practically not represented in the highest incomes. In the overall model, male population dominate in the top income range and the difference between two critical ages is masked. Gender versions of the refined model provide consistent quantitative description of the principal features in the male and female income distribution.

Suggested Citation

  • Kitov, Ivan & Kitov, Oleg, 2015. "Gender income disparity in the USA: analysis and dynamic modelling," MPRA Paper 67146, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:67146
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    References listed on IDEAS

    as
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    Citations

    Blog mentions

    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. On secular relative impoverishment of young people
      by Ivan Kitov in Economics as Classical Mechanics on 2021-04-29 09:58:00
    2. Personal income growth - actually heating of a spherical body in a vacuum
      by Ivan Kitov in Economics as Classical Mechanics on 2021-05-01 07:26:00
    3. Gender income disparity in the USA
      by Ivan Kitov in Economics as Classical Mechanics on 2023-09-05 20:26:00
    4. Gender income disparity in the USA: analysis and dynamic modelling
      by Ivan Kitov in Economics as Classical Mechanics on 2015-10-17 13:58:00
    5. Modern professional sport is an ultimate expression of gender and race segregation
      by Ivan Kitov in Economics as Classical Mechanics on 2020-12-29 16:35:00

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    Cited by:

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    More about this item

    Keywords

    income; gender; age; USA; modelling;
    All these keywords.

    JEL classification:

    • D01 - Microeconomics - - General - - - Microeconomic Behavior: Underlying Principles
    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • E17 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Forecasting and Simulation: Models and Applications
    • E64 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Incomes Policy; Price Policy
    • J1 - Labor and Demographic Economics - - Demographic Economics
    • O12 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Microeconomic Analyses of Economic Development

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