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Optimal monetary policy and economic growth

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  • 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," European Economic Review, Elsevier, vol. 53(2), pages 210-221, February.
  • Handle: RePEc:eee:eecrev:v:53:y:2009:i:2:p:210-221
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    References listed on IDEAS

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    1. Stacey L. Schreft & Bruce D. Smith, 1998. "The Effects of Open Market Operations in a Model of Intermediation and Growth," Review of Economic Studies, Oxford University Press, vol. 65(3), pages 519-550.
    2. Romer, Paul M, 1986. "Increasing Returns and Long-run Growth," Journal of Political Economy, University of Chicago Press, vol. 94(5), pages 1002-1037, October.
    3. Bhattacharya, Joydeep & Haslag, Joseph H. & Martin, Antoine, 2006. "Sub-optimality of the Friedman rule in Townsend's turnpike and stochastic relocation models of money: Do finite lives and initial dates matter?," Journal of Economic Dynamics and Control, Elsevier, vol. 30(5), pages 879-897, May.
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    5. Beatrix Paal & Bruce D. Smith, 2013. "The sub-optimality of the Friedman rule and the optimum quantity of money," Annals of Economics and Finance, Society for AEF, vol. 14(2), pages 911-948, November.
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    7. Joydeep Bhattacharya & Joseph H. Haslag & Antoine Martin, 2005. "Heterogeneity, Redistribution, And The Friedman Rule," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(2), pages 437-454, May.
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    Cited by:

    1. 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.
    2. Wan, Jing & Zhang, Jie, 2016. "Money and growth through innovation cycles with leisure," Economics Letters, Elsevier, vol. 148(C), pages 23-26.
    3. 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.
    4. Firouz Gahvari, 2009. "Friedman Rule in a Model with Endogenous Growth and Cash-in-advance Constraint," CESifo Working Paper Series 2708, CESifo Group Munich.
    5. Tarishi Matsuoka, 2011. "Monetary Policy and Banking Structure," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 43(6), pages 1109-1129, September.
    6. Eisei Ohtaki, "undated". "Optimality of the Friedman rule under ambiguity," Working Papers e103, Tokyo Center for Economic Research.
    7. repec:gam:jecomi:v:6:y:2018:i:2:p:21-:d:138573 is not listed on IDEAS
    8. Masaya Yasuoka, 2018. "Money and Pay-As-You-Go Pension," Economies, MDPI, Open Access Journal, vol. 6(2), pages 1-15, March.
    9. repec:bpj:bejtec:v:17:y:2017:i:2:p:14:n:5 is not listed on IDEAS

    More about this item

    Keywords

    Friedman rule Tobin effect Monetary policy;

    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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