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Hyperbolic Discounting and Life-Cycle Portfolio Choice

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Abstract

This paper studies how hyperbolic discounting affects stock market participation, asset allocation, and saving decisions over the life cycle in an economy with Epstein-Zin preferences. Hyperbolic discounting affects saving and portfolio decisions through at least two channels: (1) it lowers desired saving, which decreases financial wealth relative to future earnings; and (2) it lowers the incentive to pay a fixed cost to enter the stock market. We find that hyperbolic discounters accumulate less wealth relative to their geometric counterparts and that they participate in the stock market at a later age. Because they have lower levels of financial wealth relative to future earnings, hyperbolic discounters who do participate in the stock market tend to hold a higher share of equities, particularly in the retirement years. We find that increasing the elasticity of intertemporal substitution, holding risk aversion constant, greatly magnifies the impact of hyperbolic discounting on all of the model's decision rules and simulated levels of participation, allocation, and wealth. Finally, we introduce endogenous financial knowledge accumulation and find that hyperbolic discounting leads to lower financial literacy and inefficient stock market investment.

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  • David Love & Gregory Phelan, 2015. "Hyperbolic Discounting and Life-Cycle Portfolio Choice," Department of Economics Working Papers 2015-11, Department of Economics, Williams College.
  • Handle: RePEc:wil:wileco:2015-12
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    Cited by:

    1. Phelan, Gregory & Toda, Alexis Akira, 2019. "Securitized markets, international capital flows, and global welfare," Journal of Financial Economics, Elsevier, vol. 131(3), pages 571-592.
    2. Ricardo J. Caballero & Alp Simsek, 2020. "A Model of Fickle Capital Flows and Retrenchment," Journal of Political Economy, University of Chicago Press, vol. 128(6), pages 2288-2328.
    3. Kumhof, Michael & Sokol, Andrej & Rungcharoenkitkul, Phurichai, 2020. "How Does International Capital Flow?," CEPR Discussion Papers 15526, C.E.P.R. Discussion Papers.
    4. Feixue Gong & Gregory Phelan, 2020. "Debt collateralization, capital structure, and maximal leverage," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 70(2), pages 579-605, September.
    5. Chen, William & Phelan, Gregory, 2021. "International coordination of macroprudential policies with capital flows and financial asymmetries," Journal of Financial Stability, Elsevier, vol. 56(C).
    6. Massimo Arnone & Alberto Costantiello & Angelo Leogrande & Syed Kafait Hussain Naqvi & Cosimo Magazzino, 2024. "Financial Stability and Innovation: The Role of Non-Performing Loans," FinTech, MDPI, vol. 3(4), pages 1-41, October.
    7. John Geanakoplos & Kieran Haobin Wang, 2018. "Quantitative Easing, Collateral Constraints, and Financial Spillovers," Cowles Foundation Discussion Papers 2154, Cowles Foundation for Research in Economics, Yale University.
    8. Fouda Owoundi, Jean-Pierre & Mbassi, Christophe Martial & Owoundi, Ferdinand, 2021. "Does inflation targeting weaken financial stability? Assessing the role of institutional quality," The Quarterly Review of Economics and Finance, Elsevier, vol. 80(C), pages 374-398.

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    More about this item

    Keywords

    Hyperbolic discounting; Epstein-Zin; portfolio choice; financial literacy;
    All these keywords.

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G22 - Financial Economics - - Financial Institutions and Services - - - Insurance; Insurance Companies; Actuarial Studies
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth

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