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Time-inconsistent discounting and the Friedman rule: roles of non-unitary discounting

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  • Takeo Hori
  • Koichi Futagami
  • Shoko Morimoto
Abstract
We examine the optimality of the Friedman rule by considering recent development of behavioral economics. We construct a simple macroeconomic model where agents discount consumption and leisure at different rates. We also consider a standard exponential discounting model and a hyperbolic discounting model, by assuming that the same discounting applies to both consumption and leisure. Money is introduced via a cash-in-advance constraint. Although the three models are observationally equivalent, they provide different policy implications. The Friedman rule is optimal in the latter two models, while it is not optimal in the first model if agents discount consumption is at a higher rate than leisure.

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  • Takeo Hori & Koichi Futagami & Shoko Morimoto, 2021. "Time-inconsistent discounting and the Friedman rule: roles of non-unitary discounting," Oxford Economic Papers, Oxford University Press, vol. 73(3), pages 1200-1217.
    • Handle: RePEc:oup:oxecpp:v:73:y:2021:i:3:p:1200-1217.
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    Cited by:

    1. Koichi Futagami & Daiki Maeda, 2022. "Naive Agents with Non-unitary Discounting Rate in a Monetary Economy," Discussion Papers in Economics and Business 21-28, Osaka University, Graduate School of Economics.
    2. Futagami, Koichi & Maeda, Daiki, 2023. "Naïve agents with non-unitary discounting rate in a monetary economy," Journal of Macroeconomics, Elsevier, vol. 78(C).
    3. Daiki Maeda, 2019. "A Monetary Search Model with Non-unitary Discounting," ISER Discussion Paper 1062, Institute of Social and Economic Research, Osaka University.

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    More about this item

    JEL classification:

    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • E71 - Macroeconomics and Monetary Economics - - Macro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on the Macro Economy

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