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Altruism, Lifetime Uncertainty and Optimal Public Pension Contribution Rate

Author

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  • Yang, Zaigui

Abstract

Assuming that individuals are altruistic, this paper employs an overlapping generations model with lifetime uncertainty to study the partially funded public pension in China. By comparing the market economy equilibrium with the social optimum allocation, we find the optimal firm contribution rate. Our simulation results show that this rate increases when the life expectancy rises, while decreases when the population growth rate falls. It decreases in the joint case of risen life expectancy and fallen population growth rate because it is much more sensitive to the latter than to the former. The result has some policy implications.

Suggested Citation

  • Yang, Zaigui, 2009. "Altruism, Lifetime Uncertainty and Optimal Public Pension Contribution Rate," MPRA Paper 18845, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:18845
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    More about this item

    Keywords

    altruism; lifetime uncertainty; pension contribution rat;
    All these keywords.

    JEL classification:

    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions

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