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Monetary policy and heterogeneous expectations

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  • William Branch

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  • George Evans

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Abstract

This paper studies the implications for monetary policy of heterogeneous expectations in a New Keynesian model. The assumption of rational expec- tations is replaced with parsimonious forecasting models where agents select between predictors that are underparameterized. In a Misspecification Equilib- rium agents only select the best-performing statistical models. We demonstrate that, even when monetary policy rules satisfy the Taylor principle by adjusting nominal interest rates more than one for one with inflation, there may exist equilibria with Intrinsic Heterogeneity. Under certain conditions, there may exist multiple misspecification equilibria. We show that these findings have im- portant implications for business cycle dynamics and for the design of monetary policy.
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Suggested Citation

  • William Branch & George Evans, 2011. "Monetary policy and heterogeneous expectations," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 365-393, June.
  • Handle: RePEc:spr:joecth:v:47:y:2011:i:2:p:365-393
    DOI: 10.1007/s00199-010-0539-9
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Joseph Haslag & William Brock, 2014. "On Understanding the Cyclical Behavior of the Price Level and Inflation," Working Papers 1404, Department of Economics, University of Missouri, revised 01 Jul 2014.
    2. repec:wsi:serxxx:v:62:y:2017:i:04:n:s0217590817400306 is not listed on IDEAS
    3. Gomes, Orlando, 2006. "The dynamics of television advertising with boundedly rational consumers," MPRA Paper 2847, University Library of Munich, Germany.
    4. repec:spr:joecth:v:64:y:2017:i:1:d:10.1007_s00199-016-0980-5 is not listed on IDEAS
    5. Carsten Nielsen, 2011. "Price stabilizing, Pareto improving policies," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 459-500, June.
    6. Florian Hartmann & Matthieu Charpe & Peter Flaschel & Roberto Veneziani, 2016. "A Basic Model of Real-Financial Market Interactions with Heterogeneous Opinion Dynamics," Working Papers 104, Institute of Empirical Economic Research, Osnabrueck University, revised 26 May 2016.
    7. Nakagawa, Ryuichi, 2015. "Learnability of an equilibrium with private information," Journal of Economic Dynamics and Control, Elsevier, vol. 59(C), pages 58-74.
    8. Vicente da Gama Machado, 2012. "Monetary Policy, Asset Prices and Adaptive Learning," Working Papers Series 274, Central Bank of Brazil, Research Department.
    9. Paul De Grauwe, 2010. "Top-Down versus Bottom-Up Macroeconomics," CESifo Economic Studies, CESifo, vol. 56(4), pages 465-497, December.
    10. Flaschel, Peter & Charpe, Matthieu & Galanis, Giorgos & Proaño, Christian R. & Veneziani, Roberto, 2018. "Macroeconomic and stock market interactions with endogenous aggregate sentiment dynamics," Journal of Economic Dynamics and Control, Elsevier, vol. 91(C), pages 237-256.
    11. 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.
    12. Bofinger, Peter & Debes, Sebastian & Gareis, Johannes & Mayer, Eric, 2013. "Monetary policy transmission in a model with animal spirits and house price booms and busts," Journal of Economic Dynamics and Control, Elsevier, vol. 37(12), pages 2862-2881.
    13. Knight, John & Satchell, Stephen & Srivastava, Nandini, 2014. "Steady state distributions for models of locally explosive regimes: Existence and econometric implications," Economic Modelling, Elsevier, vol. 41(C), pages 281-288.
    14. Roger Guesnerie & Pedro Jara-Moroni, 2011. "Expectational coordination in simple economic contexts," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 205-246, June.
    15. 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.
    16. John Knight & Stephen Satchell & Nandini Srivastava, 2012. "Steady-State Distributions for Models of Bubbles: their Existence and Econometric Implications," Birkbeck Working Papers in Economics and Finance 1208, Birkbeck, Department of Economics, Mathematics & Statistics.
    17. Brock, William A. & Haslag, Joseph H., 2016. "A tale of two correlations: Evidence and theory regarding the phase shift between the price level and output," Journal of Economic Dynamics and Control, Elsevier, vol. 67(C), pages 40-57.
    18. Man-Keung Tang & Xiangrong Yu, 2011. "Communication of Central Bank Thinking and Inflation Dynamics," IMF Working Papers 11/209, International Monetary Fund.
    19. Salle, Isabelle L., 2015. "Modeling expectations in agent-based models — An application to central bank's communication and monetary policy," Economic Modelling, Elsevier, vol. 46(C), pages 130-141.
    20. Volker Wieland & Maik Wolters, 2011. "The diversity of forecasts from macroeconomic models of the US economy," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 247-292, June.
    21. Arnold, Ivo J.M. & Soederhuizen, Beau, 2016. "Internal or external devaluation? What does the EC Consumer Survey tell us about macroeconomic adjustment in the Euro area?," Journal of International Money and Finance, Elsevier, vol. 64(C), pages 88-103.
    22. Orlando Gomes, 2010. "Nonlinear Inflation Expectations and Endogenous Fluctuations," Czech Economic Review, Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies, vol. 4(3), pages 263-280, November.
    23. Hommes, C.H. & Lustenhouwer, J., 2015. "Inflation Targeting and Liquidity Traps under Endogenous Credibility," CeNDEF Working Papers 15-03, Universiteit van Amsterdam, Center for Nonlinear Dynamics in Economics and Finance.
    24. Paul Grauwe, 2011. "Animal spirits and monetary policy," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 423-457, June.
    25. Machado, Vicente da Gama, 2013. "Monetary policy rules, asset prices and adaptive learning," Journal of Financial Stability, Elsevier, vol. 9(3), pages 251-258.

    More about this item

    Keywords

    Heterogeneous expectations; Monetary policy; Multiple equilibria; Adaptive learning; G12; G14; D82; D83;

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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