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Money non-neutrality in a Rational Belief Equilibrium with financial assets

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  • Maurizio Motolese

    (Istituto di Politica Economica, UniversitÁ Cattolica di Milano, via Necchi 5, 20123 Milano, ITALY)

Abstract

In Rational Beliefs Equilibria money is generically non-neutral. Given the expectational perspective proposed by the Theory of Rational Belief Equilibrium, we show that one of the most important factors in the emergence of money non-neutrality is played by Endogenous Uncertainty. This, in contrast to the Rational Expectations results of money neutrality and policy ineffectiveness, leads to a scenario in which monetary policy has an impact on the real economy and price volatility. The heterogeneity of beliefs together with the distribution and intensity of agents' states of optimism/pessimism can amplify the real effect of monetary policy and/or generate endogenous fluctuations in the economy which are not explained by any exogenous shock. We claim that money non-neutrality is mostly an expectations driven phenomenon. Indeed, additional assumptions of asymmetry of information and/or unanticipated monetary policy are not needed to explain the real effect of monetary policy as it is customary in the New Classical Theory.

Suggested Citation

  • Maurizio Motolese, 2001. "Money non-neutrality in a Rational Belief Equilibrium with financial assets," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 18(1), pages 97-126.
    • Handle: RePEc:spr:joecth:v:18:y:2001:i:1:p:97-126
    Note: Received: May 30, 2000; revised version: December 28, 2000
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    Citations

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    Cited by:

    1. Kurz, Mordecai & Motolese, Maurizio, 2006. "Risk Premia, diverse belief and beauty contests," MPRA Paper 247, University Library of Munich, Germany.
    2. Mordecai Kurz & Maurizio Motolese, 2011. "Diverse beliefs and time variability of risk premia," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 293-335, June.
    3. Kurz, Mordecai & Piccillo, Giulia & Wu, Howei, 2013. "Modeling diverse expectations in an aggregated New Keynesian Model," Journal of Economic Dynamics and Control, Elsevier, vol. 37(8), pages 1403-1433.
    4. Mordecai Kurz, 2011. "Symposium: on the role of market belief in economic dynamics, an introduction," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 189-204, June.
    5. Kurz, Mordecai & Jin, Hehui & Motolese, Maurizio, 2005. "The role of expectations in economic fluctuations and the efficacy of monetary policy," Journal of Economic Dynamics and Control, Elsevier, vol. 29(11), pages 2017-2065, November.
    6. Kurz, Mordecai, 2008. "Beauty contests under private information and diverse beliefs: How different?," Journal of Mathematical Economics, Elsevier, vol. 44(7-8), pages 762-784, July.
    7. William Branch & Bruce McGough, 2011. "Business cycle amplification with heterogeneous expectations," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 395-421, June.
    8. Hehui JIN, 2007. "Nominal Interest Rate Rules under Heterogeneous Beliefs," Rivista Internazionale di Scienze Sociali, Vita e Pensiero, Pubblicazioni dell'Universita' Cattolica del Sacro Cuore, vol. 115(3), pages 403-442.
    9. Mordecai Kurz, 2007. "Rational Diverse Beliefs and Economic Volatility," Discussion Papers 06-045, Stanford Institute for Economic Policy Research.

    More about this item

    Keywords

    Money non-neutrality; Monetary policy; Rational expectations; Rational beliefs; Rational Belief Equilibrium; Endogenous uncertainty; States of belief.;
    All these keywords.

    JEL classification:

    • C68 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computable General Equilibrium Models
    • D5 - Microeconomics - - General Equilibrium and Disequilibrium
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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