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Optimal monetary policy in a new Keynesian model with animal spirits and financial markets

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  • Lengnick, Matthias
  • Wohltmann, Hans-Werner

Abstract

This paper relates to the literature on macro-finance-interaction models. We modify the boundedly rational New Keynesian model of De Grauwe (2010a) using a completely microfounded IS equation, and combine it with the agent-based financial market model of Westerhoff (2008). For this purpose we derive four interactive channels between the financial and real sector where two channels are strictly microfounded. We analyze the impact of the different channels on economic stability and derive optimal (simple) monetary policy rules. We find that coefficients of optimal simple Taylor rules do not significantly change if financial market stabilization becomes part of the central bank's objective function. Additionally, we show that rule-based, backward-looking monetary policy creates huge instabilities if expectations are boundedly rational.

Suggested Citation

  • Lengnick, Matthias & Wohltmann, Hans-Werner, 2014. "Optimal monetary policy in a new Keynesian model with animal spirits and financial markets," Economics Working Papers 2014-12, Christian-Albrechts-University of Kiel, Department of Economics.
    • Handle: RePEc:zbw:cauewp:201412
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    Cited by:

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    2. Jang, Tae-Seok & Sacht, Stephen, 2017. "Modeling consumer confidence and its role for expectation formation: A horse race," Economics Working Papers 2017-04, Christian-Albrechts-University of Kiel, Department of Economics.
    3. Krug, Sebastian & Wohltmann, Hans-Werner, 2016. "Shadow banking, financial regulation and animal spirits: An ACE approach," Economics Working Papers 2016-08, Christian-Albrechts-University of Kiel, Department of Economics.
    4. Reiner Franke & Frank Westerhoff, 2017. "Taking Stock: A Rigorous Modelling Of Animal Spirits In Macroeconomics," Journal of Economic Surveys, Wiley Blackwell, vol. 31(5), pages 1152-1182, December.
    5. Giorgio Fagiolo & Andrea Roventini, 2017. "Macroeconomic Policy in DSGE and Agent-Based Models Redux: New Developments and Challenges Ahead," Journal of Artificial Societies and Social Simulation, Journal of Artificial Societies and Social Simulation, vol. 20(1), pages 1-1.
    6. Offick, Sven & Wohltmann, Hans-Werner, 2016. "Volatility effects of news shocks in New Keynesian models with optimal monetary policy," Economics Letters, Elsevier, vol. 147(C), pages 78-82.
    7. Jang Tae-Seok, 2020. "Animal spirits in an open economy: an interaction-based approach to the business cycle," The B.E. Journal of Macroeconomics, De Gruyter, vol. 20(1), pages 1-16, January.
    8. Piotr Krajewski, 2017. "Heterogeneity of Households and the Effects of Fiscal Policy in the CEE Countries," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(2), pages 79-93, June.
    9. Giri, Federico & Riccetti, Luca & Russo, Alberto & Gallegati, Mauro, 2019. "Monetary policy and large crises in a financial accelerator agent-based model," Journal of Economic Behavior & Organization, Elsevier, vol. 157(C), pages 42-58.
    10. Naimzada, Ahmad & Pireddu, Marina, 2015. "Real and financial interacting markets: A behavioral macro-model," Chaos, Solitons & Fractals, Elsevier, vol. 77(C), pages 111-131.
    11. Tae-Seok Jang & Stephen Sacht, 2022. "Macroeconomic dynamics under bounded rationality: on the impact of consumers’ forecast heuristics," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 17(3), pages 849-873, July.
    12. Alexey Vasilenko, 2018. "Should Central Banks Prick Asset Price Bubbles? An Analysis Based on a Financial Accelerator Model with an Agent-Based Financial Market," Bank of Russia Working Paper Series wps35, Bank of Russia.
    13. Offick, Sven & Wohltmann, Hans-Werner, 2015. "Volatility effects of news shocks in (B)RE models with optimal monetary policy," Economics Working Papers 2015-07, Christian-Albrechts-University of Kiel, Department of Economics.
    14. Masciandaro, Donato, 2022. "Independence, conservatism, and beyond: Monetary policy, central bank governance and central banker preferences (1981–2021)," Journal of International Money and Finance, Elsevier, vol. 122(C).
    15. Kotb, Naira & Proaño Acosta, Christian, 2020. "Capital-constrained loan creation, stock markets and monetary policy in a behavioral new Keynesian model," BERG Working Paper Series 158, Bamberg University, Bamberg Economic Research Group.
    16. repec:hal:spmain:info:hdl:2441/dcditnq6282sbu1u151qe5p7f is not listed on IDEAS
    17. Giorgio Fagiolo & Andrea Roventini, 2016. "Macroeconomic Policy in DGSE and Agent-Based Models Redux," Working Papers hal-03459348, HAL.
    18. F. Cavalli & A. Naimzada & N. Pecora, 2022. "A stylized macro-model with interacting real, monetary and stock markets," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 17(1), pages 225-257, January.
    19. Donato Masciandaro, 2021. "Central Bank Governance in Monetary Policy Economics (1981-2020)," BAFFI CAREFIN Working Papers 21153, BAFFI CAREFIN, Centre for Applied Research on International Markets Banking Finance and Regulation, Universita' Bocconi, Milano, Italy.
    20. Naira Kotb & Christian R. Proaño, 2023. "Capital‐constrained loan creation, household stock market participation and monetary policy in a behavioural new Keynesian model," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 28(4), pages 3789-3807, October.
    21. Opeoluwa Banwo & Paul Harrald & Francesca Medda, 2019. "Understanding the consequences of diversification on financial stability," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 14(2), pages 273-292, June.
    22. Alexey Vasilenko, 2017. "Should Monetary Authorities Prick Asset Price Bubbles? Evidence from a New Keynesian Model with an Agent-Based Financial Market," HSE Working papers WP BRP 182/EC/2017, National Research University Higher School of Economics.
    23. Jukka Ilomäki & Hannu Laurila, 2021. "Leaning against the wind policy and animal spirits in a general equilibrium model," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 26(2), pages 2325-2334, April.
    24. Annika Camehl & Tomasz Wo'zniak, 2023. "Time-Varying Identification of Monetary Policy Shocks," Papers 2311.05883, arXiv.org, revised Nov 2023.

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    More about this item

    Keywords

    agent-based financial markets; New Keynesian macroeconomics; microfoundation; optimal monetary policy; unconventional monetary policy;
    All these keywords.

    JEL classification:

    • E03 - Macroeconomics and Monetary Economics - - General - - - Behavioral Macroeconomics
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • G02 - Financial Economics - - General - - - Behavioral Finance: Underlying Principles

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