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Monetary Policy and Rational Asset Price Bubbles: Comment

Author

Listed:
  • Jianjun Miao
  • Zhouxiang Shen
  • Pengfei Wang

Abstract

We revisit Galí’s (2014) analysis by extending his model to incorporate persistent bubble shocks. We find that, under adaptive learning, a stable bubbly steady state and the associated sunspot solutions under optimal monetary policy are not E-stable. When deriving the unique forward-looking minimum stable variable (MSV) solution around an unstable bubbly steady state, we obtain results that are consistent with the conventional views: leaning against the wind policy reduces bubble volatility and is optimal. Such a steady state and the associated MSV solution are E-stable.

Suggested Citation

  • Jianjun Miao & Zhouxiang Shen & Pengfei Wang, 2019. "Monetary Policy and Rational Asset Price Bubbles: Comment," American Economic Review, American Economic Association, vol. 109(5), pages 1969-1990, May.
    • Handle: RePEc:aea:aecrev:v:109:y:2019:i:5:p:1969-90
    Note: DOI: 10.1257/aer.20180145
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    Citations

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    Cited by:

    1. Jordi Galí, 2016. "Monetary policy and bubbles in a new Keynesian model with overlapping generations," Economics Working Papers 1561, Department of Economics and Business, Universitat Pompeu Fabra, revised Jan 2020.
    2. Jacopo Bonchi, 2023. "Asset Price Bubbles and Monetary Policy: Revisiting the Nexus at the Zero Lower Bound," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 47, pages 186-203, January.
    3. Anwar, Cep Jandi, 2021. "Heterogeneity Effect of Central Bank Independence on Asset Prices: Evidence from Selected Developing Countries," Jurnal Ekonomi Malaysia, Faculty of Economics and Business, Universiti Kebangsaan Malaysia, vol. 55(2), pages 65-80.
    4. Jacopo Bonchi, 2023. "Asset Price Bubbles and Monetary Policy: Revisiting the Nexus at the Zero Lower Bound," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 47, pages 186-203, January.
    5. Franklin Allen & Gadi Barlevy & Douglas Gale, 2023. "A Comment on Monetary Policy and Rational Asset Price Bubbles," Working Paper Series WP 2023-25, Federal Reserve Bank of Chicago.
    6. Agur, Itai, 2019. "Monetary and macroprudential policy coordination among multiple equilibria," Journal of International Money and Finance, Elsevier, vol. 96(C), pages 192-209.
    7. Daisuke Ikeda, 2022. "Monetary Policy, Inflation, and Rational Asset Price Bubbles," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 54(6), pages 1569-1603, September.
    8. Fausch, Jürg & Sigonius, Markus, 2020. "Are speculative bubbles welfare improving? A note on Wang and Wen (2012)," Economics Letters, Elsevier, vol. 190(C).
    9. Andrea Ajello & Nina Boyarchenko & François Gourio & Andrea Tambalotti, 2022. "Financial Stability Considerations for Monetary Policy: Theoretical Mechanisms," Finance and Economics Discussion Series 2022-005, Board of Governors of the Federal Reserve System (U.S.).
    10. Arifovic, Jasmina & Evans, George W. & Kostyshyna, Olena, 2020. "Are sunspots learnable? An experimental investigation in a simple macroeconomic model," Journal of Economic Dynamics and Control, Elsevier, vol. 110(C).
    11. Galí, Jordi & Giusti, Giovanni & Noussair, Charles N., 2021. "Monetary Policy and Asset Price Bubbles: A Laboratory Experiment," Journal of Economic Dynamics and Control, Elsevier, vol. 130(C).
    12. Yu Awaya & Kohei Iwasaki & Makoto Watanabe, 2024. "Money Is the Root of Asset Bubbles," CESifo Working Paper Series 10923, CESifo.
    13. He, Yiyao, 2022. "Heterogeneous stock traders, endogenous bubbles, and economic fluctuations," Finance Research Letters, Elsevier, vol. 47(PA).
    14. Evans, George W. & McGough, Bruce, 2020. "Stable near-rational sunspot equilibria," Journal of Economic Theory, Elsevier, vol. 186(C).

    More about this item

    JEL classification:

    • E13 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Neoclassical
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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