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Optimal life-cycle portfolios for heterogeneous workers

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  • Fabio C. Bagliano
  • Carolina Fugazza
  • Giovanna Nicodano

Abstract

Household portfolios include risky bonds, beyond stocks, and respond to permanent labour income shocks. This paper brings these features into a life-cycle setting, and shows that optimal stock investment is constant or increasing in age before retirement for realistic parameter combinations. The driver of such inversion in the life-cycle profile is the resolution of uncertainty regarding social security pension, which increases the investor'srisk appetite. This occurs if a small positive contemporaneous correlation between permanent labour income shocks and stock returns is matched by a realistically high variance of such shocks and/or risk aversion. Absent this combination, the typical downward sloping profile obtains. Overlooking differences in optimal investment profiles across heterogeneous workers results in large welfare losses, in the order of 15-30% of lifetime consumption.

Suggested Citation

  • Fabio C. Bagliano & Carolina Fugazza & Giovanna Nicodano, 2012. "Optimal life-cycle portfolios for heterogeneous workers," Carlo Alberto Notebooks 266, Collegio Carlo Alberto, revised 2013.
  • Handle: RePEc:cca:wpaper:266
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Kees de Van & Daniele Fano & Herialt Mens & Giovanna Nicodano, 2014. "A Reporting Standard for Defined Contribution Pension Plans," CeRP Working Papers 143, Center for Research on Pensions and Welfare Policies, Turin (Italy).
    2. Fabio C. Bagliano & Carolina Fugazza & Giovanna Nicodano, 2017. "A Life-Cycle Model with Unemployment Traps," Working papers 041, Department of Economics and Statistics (Dipartimento di Scienze Economico-Sociali e Matematico-Statistiche), University of Torino.
    3. Tsai, Hui-Ju & Wu, Yangru, 2014. "Optimal portfolio choice for investors with industry-specific labor income risks," Finance Research Letters, Elsevier, vol. 11(4), pages 429-436.

    More about this item

    Keywords

    Life-cycle portfolio choice; background risk; age rule; investor heterogeneity; stock market participation;

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making

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