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Monetary policy with non-homothetic preferences

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  • Cavallari, Lilia

Abstract

This paper studies the role of non-homothetic preferences for monetary policy from both a positive and a normative perspective. It draws on a dynamic stochastic general equilibrium model characterized by preferences with a variable elasticity of substitution among goods and with price adjustment costs à la Rotemberg. These preferences have remarkable implications for monetary policy. Three main results stand out from a comparison of models with an increasing and a constant elasticity. First, an increasing elasticity induces novel intertemporal substitution effects that amplify the propagation of monetary and technology shocks. Second, it weakens the ability of a simple Taylor rule to attain a given level of macroeconomic stabilization. Third, the smallest welfare losses can be attained by stabilizing both inflation and output, in contrast to the prevailing view - based on models with a constant elasticity - that the best thing the monetary authority can do is to control inflation only.

Suggested Citation

  • Cavallari, Lilia, 2018. "Monetary policy with non-homothetic preferences," MPRA Paper 85147, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:85147
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    File URL: https://mpra.ub.uni-muenchen.de/85147/7/MPRA_paper_85147.pdf
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    References listed on IDEAS

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    1. Richard Clarida & Jordi Galí & Mark Gertler, 2000. "Monetary Policy Rules and Macroeconomic Stability: Evidence and Some Theory," The Quarterly Journal of Economics, Oxford University Press, vol. 115(1), pages 147-180.
    2. Orazio P. Attanasio & Guglielmo Weber, 2010. "Consumption and Saving: Models of Intertemporal Allocation and Their Implications for Public Policy," Journal of Economic Literature, American Economic Association, vol. 48(3), pages 693-751, September.
    3. Attanasio, Orazio P & Browning, Martin, 1995. "Consumption over the Life Cycle and over the Business Cycle," American Economic Review, American Economic Association, vol. 85(5), pages 1118-1137, December.
    4. Dale W. Jorgenson, 1997. "Welfare - Vol. 1: Aggregate Consumer Behavior," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262100622, March.
    5. Lawrence J. Christiano & Martin Eichenbaum & Charles L. Evans, 2005. "Nominal Rigidities and the Dynamic Effects of a Shock to Monetary Policy," Journal of Political Economy, University of Chicago Press, vol. 113(1), pages 1-45, February.
    6. Frank Smets & Rafael Wouters, 2007. "Shocks and Frictions in US Business Cycles: A Bayesian DSGE Approach," American Economic Review, American Economic Association, vol. 97(3), pages 586-606, June.
    7. Julio J. Rotemberg, 1982. "Monopolistic Price Adjustment and Aggregate Output," Review of Economic Studies, Oxford University Press, vol. 49(4), pages 517-531.
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    Cited by:

    1. Lilia Cavallari & Federico Etro, 2018. "Demand, Markups and the Business Cycle," Working Papers - Economics wp2018_30.rdf, Universita' degli Studi di Firenze, Dipartimento di Scienze per l'Economia e l'Impresa.

    More about this item

    Keywords

    non-homothetic preferences; monetary policy; output stabilization; inflation stabilization; Taylor rule; new-Keynesian model; time-varying elasticity.;

    JEL classification:

    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination

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