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Hyperbolical Discounting and Endogenous Growth

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  • Strulik, Holger

Abstract

This paper provides the exact analytical solution for the standard model of endogenous growth when consumers have present-biased preferences and make time-inconsistent savings plans, which they revise continuously. It is shown that long-run growth is not necessarily lower under present-biased preferences. In fact, an equivalence result holds. If hyperbolical discounting provides the same present value of a constant infinite income stream as standard exponential discounting, then the equilibrium rate of economic growth is also the same under both discounting methods. In this sense present-bias and the entailed time-inconsistency of savings plans are harmless for economic growth. The result is robust to the introduction of non-homothetic utility and a variable elasticity of intertemporal substitution in consumption.

Suggested Citation

  • Strulik, Holger, 2014. "Hyperbolical Discounting and Endogenous Growth," Annual Conference 2014 (Hamburg): Evidence-based Economic Policy 100560, Verein für Socialpolitik / German Economic Association.
  • Handle: RePEc:zbw:vfsc14:100560
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    References listed on IDEAS

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    Cited by:

    1. Strulik, Holger & Trimborn, Timo, 2018. "Hyperbolic discounting can be good for your health," Journal of Economic Psychology, Elsevier, vol. 69(C), pages 44-57.
    2. Cabo, Francisco & Martín-Herrán, Guiomar & Martínez-García, María Pilar, 2016. "Unbounded growth in the Neoclassical growth model with non-constant discounting," Mathematical Social Sciences, Elsevier, vol. 84(C), pages 93-104.
    3. Strulik, Holger, 2017. "Hyperbolic discounting and the time-consistent solution of three canonical environmental problems," Center for European, Governance and Economic Development Research Discussion Papers 319, University of Goettingen, Department of Economics.
    4. Strulik, Holger, 2016. "Limited self-control and long-run growth," Mathematical Social Sciences, Elsevier, vol. 83(C), pages 1-8.
    5. Cabo, Francisco & Martín-Herrán, Guiomar & Martínez-García, María Pilar, 2015. "Non-constant discounting and Ak-type growth models," Economics Letters, Elsevier, vol. 131(C), pages 54-58.

    More about this item

    JEL classification:

    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General
    • 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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