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Inequality in an OLG economy with heterogeneous cohorts and pension systems

Author

Listed:
  • Krzysztof Makarski

    (Narodowy Bank Polski
    Warsaw School Economics
    Group for Research in Applied Economics (GRAPE))

  • Joanna Tyrowicz

    (Group for Research in Applied Economics (GRAPE)
    University of Warsaw
    Institut für Arbeitsrecht und Arbeitsbeziehungen in der Europäischen Union (IAAEU)
    Institute of Labor Economics (IZA))

  • Marcin Bielecki

    (University of Warsaw
    Narodowy Bank Polski)

Abstract
We analyze the consumption and wealth inequality in an OLG model with obligatory pension systems. Our framework features within cohort heterogeneity of endowments (individual productivities) and heterogeneity of preferences (preference for leisure and time preference). We allow for population aging and gradual productivity slowdown. We show four main results. First, longevity increases substantially aggregate consumption inequality and wealth inequality, regardless of the pension system features. Second, the effect of a pension system reform from a defined benefit to a defined contribution works to reinforce the consumption inequality and reduce the wealth inequality. Third, minimum pension benefits are able to counteract a part of that increase in inequality, at a fiscal cost. Fourth the minimum pension benefit guarantee addresses mostly the inequality which stems from differentiated endowments and not that which stems from heterogeneous preferences.

Suggested Citation

  • Krzysztof Makarski & Joanna Tyrowicz & Marcin Bielecki, 2017. "Inequality in an OLG economy with heterogeneous cohorts and pension systems," GRAPE Working Papers 21, GRAPE Group for Research in Applied Economics.
  • Handle: RePEc:fme:wpaper:21
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    Cited by:

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    3. Acedański, Jan, 2017. "Heterogeneous expectations and the distribution of wealth," Journal of Macroeconomics, Elsevier, vol. 53(C), pages 162-175.
    4. Joanna Tyrowicz & Krzysztof Makarski & Marcin Bielecki, 2018. "Inequality in an OLG economy with heterogeneous cohorts and pension systems," The Journal of Economic Inequality, Springer;Society for the Study of Economic Inequality, vol. 16(4), pages 583-606, December.
    5. Magda Malec, 2017. "Redystrybucja wewnątrzpokoleniowa w systemie emerytalnym," Gospodarka Narodowa. The Polish Journal of Economics, Warsaw School of Economics, issue 4, pages 63-81.
    6. Janusz Jabłonowski, 2021. "MPC out of Augmented Wealth in Poland," Central European Journal of Economic Modelling and Econometrics, Central European Journal of Economic Modelling and Econometrics, vol. 13(3), pages 253-286, September.
    7. Laszlo Goerke & Michael Neugart, 2020. "Thorstein Veblen, Joan Robinson, and George Stigler (probably) never met: Social Preferences, Monopsony, and Government Intervention," IAAEU Discussion Papers 202001, Institute of Labour Law and Industrial Relations in the European Union (IAAEU).
    8. Diego Wachs & Jorge Onrubia, 2021. "Automatic adjustment mechanisms in public pension reforms: Effects over fiscal sustainability, adequacy, and fairness," Working Papers 2021-05, FEDEA.
    9. Jarocinska Elena & Ruzik-Sierdzińska Anna, 2023. "The distributional effects of the pension system reform in Poland," IZA Journal of Labor Policy, Sciendo & Forschungsinstitut zur Zukunft der Arbeit GmbH (IZA), vol. 13(1), pages 1-21, January.
    10. Vanesa Jorda & Jose M. Alonso, 2020. "What works to mitigate and reduce relative (and absolute) inequality?: A systematic review," WIDER Working Paper Series wp-2020-152, World Institute for Development Economic Research (UNU-WIDER).

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    More about this item

    Keywords

    majority voting; pension system reform; welfare;
    All these keywords.

    JEL classification:

    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

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