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Optimal monetary policy and economic growth

Author

Listed:
  • Bhattacharya, Joydeep
  • Haslag, Joseph
  • Martin, Antoine

Abstract

A question at the center of many analyses of optimal monetary policy is, why do central banks never implement the Friedman rule? To the list of answers to this question, we add neoclassical production (specifically, the Tobin effect) as one possible explanation. To that end, we study an overlapping generations economy with capital where limited communication and stochastic relocation create an endogenous transactions role for fiat money. We assume a production function with a knowledge externality (Romer style) that nests economies with endogenous growth (AK form) and those with no long-run growth (the Diamond model). The Tobin effect is shown to be always operative. Under CRRA preferences, a mild degree of social increasing returns is sufficient (but not necessary) for some positive inflation to dominate zero inflation and for the Friedman rule to be sub-optimal, irrespective of the degree of risk aversion.

Suggested Citation

  • Bhattacharya, Joydeep & Haslag, Joseph & Martin, Antoine, 2009. "Optimal monetary policy and economic growth," ISU General Staff Papers 200902010800001143, Iowa State University, Department of Economics.
    • Handle: RePEc:isu:genstf:200902010800001143
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    Cited by:

    1. repec:tsa:wpaper:0167eco is not listed on IDEAS
    2. Ryoji Hiraguchi, 2014. "Optimal Monetary Policy in OLG Models with Long-Lived Agents: A Note," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 16(1), pages 164-172, February.
    3. Andre Harrison & Robert R. Reed, 2024. "Capital flows to developing countries: Implications for monetary policy across the globe," Review of International Economics, Wiley Blackwell, vol. 32(3), pages 839-906, August.
    4. Edgar A. Ghossoub & Robert R. Reed, 2019. "Banking competition, production externalities, and the effects of monetary policy," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 67(1), pages 91-154, February.
    5. Wan, Jing & Zhang, Jie, 2016. "Money and growth through innovation cycles with leisure," Economics Letters, Elsevier, vol. 148(C), pages 23-26.
    6. Wang, Gaowang & Zou, Heng-fu, 2011. "Inflation aversion and macroeconomic policy in a perfect foresight monetary model," Economic Modelling, Elsevier, vol. 28(4), pages 1802-1807, July.
    7. Firouz Gahvari, 2012. "The Friedman Rule in a Model with Endogenous Growth and Cash‐in‐Advance Constraint," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 44(5), pages 787-823, August.
    8. Tarishi Matsuoka, 2011. "Monetary Policy and Banking Structure," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 43(6), pages 1109-1129, September.
    9. Guanliang Hu & Guoxuan Ma & Wei Qiao & Neil Wallace, 2023. "“Conventional” Monetary Policy In Olg Models: Revisiting The Asset‐Substitution Channel," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 64(3), pages 875-892, August.
    10. Eisei Ohtaki, 2016. "Optimality of the Friedman rule under ambiguity," Working Papers e103, Tokyo Center for Economic Research.
    11. Chen, Been-Lon & Liao, Shian-Yu & Liu, Dongpeng & Liu, Xiangbo, 2023. "Optimal long-run money growth rate in a cash-in-advance economy with labor-market frictions," Macroeconomic Dynamics, Cambridge University Press, vol. 27(6), pages 1737-1766, September.
    12. Eisei Ohtaki, 2023. "Climate change, financial intermediation, and monetary policy," Working Papers e179, Tokyo Center for Economic Research.
    13. Masaya Shintani & Masaya Yasuoka, 2022. "Fertility, Inequality and Income Growth," Italian Economic Journal: A Continuation of Rivista Italiana degli Economisti and Giornale degli Economisti, Springer;Società Italiana degli Economisti (Italian Economic Association), vol. 8(1), pages 29-48, March.
    14. Tetsuo Ono, 2020. "Fiscal rules in a monetary economy: Implications for growth and welfare," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 22(1), pages 190-219, February.
    15. Ghossoub, Edgar A., 2023. "Economic growth, inflation, and banking sector competition," Economic Modelling, Elsevier, vol. 129(C).
    16. Masaya Yasuoka, 2018. "Money and Pay-As-You-Go Pension," Economies, MDPI, vol. 6(2), pages 1-15, March.
    17. Masaya Yasuoka, 2025. "Fertility, Income Growth, and Inflation," Springer Books, in: Masatoshi Jinno & Masaya Yasuoka (ed.), Fertility, Education and Macroeconomics: The Case of Japan, chapter 0, pages 69-82, Springer.
    18. Hiraguchi Ryoji, 2017. "Optimal Monetary Policy in an Overlapping Generations Model with Search Theoretic Monetary Exchange," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 17(2), pages 1-14, June.

    More about this item

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

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