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A simple rule to determine the usefulness of the paygo system on diversification grounds

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  • Romaniuk, Katarzyna

Abstract

The paper proves that the pay-as-you-go (paygo) pension system existence is justified on diversification grounds when the correlation between stocks and wages is strictly lower than the ratio of the wage risk price to the stock risk price.

Suggested Citation

  • Romaniuk, Katarzyna, 2018. "A simple rule to determine the usefulness of the paygo system on diversification grounds," The Quarterly Review of Economics and Finance, Elsevier, vol. 67(C), pages 282-284.
    • Handle: RePEc:eee:quaeco:v:67:y:2018:i:c:p:282-284
    DOI: 10.1016/j.qref.2017.07.012
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    References listed on IDEAS

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    1. Matsen, Egil & Thogersen, Oystein, 2004. "Designing social security - a portfolio choice approach," European Economic Review, Elsevier, vol. 48(4), pages 883-904, August.
    2. Dutta, Jayasri & Kapur, Sandeep & Orszag, J. Michael, 2000. "A portfolio approach to the optimal funding of pensions," Economics Letters, Elsevier, vol. 69(2), pages 201-206, November.
    3. De Menil, Georges & Murtin, Fabrice & Sheshinski, Eytan, 2006. "Planning for the optimal mix of paygo tax and funded savings," Journal of Pension Economics and Finance, Cambridge University Press, vol. 5(1), pages 1-25, March.
    4. Markus Knell, 2010. "The Optimal Mix Between Funded and Unfunded Pension Systems When People Care About Relative Consumption," Economica, London School of Economics and Political Science, vol. 77(308), pages 710-733, October.
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    More about this item

    Keywords

    Social security; Unfunded and funded pension systems; Optimal portfolio; Diversification; Correlation between stocks and wages; Risk price;
    All these keywords.

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G23 - Financial Economics - - Financial Institutions and Services - - - Non-bank Financial Institutions; Financial Instruments; Institutional Investors
    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions

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