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Monetary Policy, Stock Price Misalignments and Macroeconomic Instability

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  • Bask, Mikael

    ()
    (Hanken School of Economics)

Abstract

We augment the standard New Keynesian model for monetary policy design with stock prices in the economy and stock traders wh use a mix of fundamental and technical analyses. The central question in this paper is whether macroeconomic stability can be achieved by an appropriate policy by the central ank? In contrast with most of previous literature, we argue that the central bank should augment the interest rate rule with a term for stock price misalignments since a determiate and stable rational expectations equilibrium in the economy is then easier to achieve. This equilibrium is stable under least squares learning as well. Another interesting finding is that inertia in monetary policy does not promote macroeconomic stability when technical analysis plays a major role in stock trading. Even worse, if the central bank in its policy only indirectly responds to stock price misalignments via its effect on the inflation rate, a combination of strong inertia in monetary policy and a significant role for technical analysis in stock trading will lead to macroeconomic instability.

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Bibliographic Info

Paper provided by Hanken School of Economics in its series Working Papers with number 540.

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Length: 27 pages
Date of creation: 05 Jun 2009
Date of revision:
Handle: RePEc:hhb:hanken:0540

Contact details of provider:
Postal: Hanken School of Economics, Arkadiankatu 22, P.O.B. 479; FIN 00101 Helsinki, Finland
Phone: +358-9-431 331
Fax: +358-9-431 33 333
Web page: http://www.hanken.fi
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Related research

Keywords: Bubble Policy; Fundamental Analysis; Interest Rate Rule; Least Squares Learning; Macroeconomic Stability; Stock Price Bubble; Taylor Rule; Technical Analysis;

This paper has been announced in the following NEP Reports:

References

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  1. Ben Bernanke & Mark Gertler, 1999. "Monetary policy and asset price volatility," Proceedings - Economic Policy Symposium - Jackson Hole, Federal Reserve Bank of Kansas City, pages 77-128.
  2. Alexandros Kontonikas & Alberto Montagnoli, 2006. "Optimal Monetary Policy And Asset Price Misalignments," Scottish Journal of Political Economy, Scottish Economic Society, vol. 53(5), pages 636-654, November.
  3. Alexandros Kontonikas & Christos Ioannidis, 2004. "Should Monetary Policy Respond to Asset Price Misalignments?," Macroeconomics 0404026, EconWPA.
  4. Richard Clarida & Jordi Galí & Mark Gertler, 2000. "Monetary Policy Rules And Macroeconomic Stability: Evidence And Some Theory," The Quarterly Journal of Economics, MIT Press, vol. 115(1), pages 147-180, February.
  5. De Long, J. Bradford & Shleifer, Andrei & Summers, Lawrence H. & Waldmann, Robert J., 1990. "Noise Trader Risk in Financial Markets," Scholarly Articles 3725552, Harvard University Department of Economics.
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  8. Bordo, Michael D & Jeanne, Olivier, 2002. "Monetary Policy and Asset Prices: Does 'Benign Neglect' Make Sense?," International Finance, Wiley Blackwell, vol. 5(2), pages 139-64, Summer.
  9. James Bullard & Kaushik Mitra, . "Determinacy, Learnability, and Monetary Policy Inertia," Discussion Papers 00/43, Department of Economics, University of York.
  10. Rudebusch, Glenn D., 1995. "Federal Reserve interest rate targeting, rational expectations, and the term structure," Journal of Monetary Economics, Elsevier, vol. 35(2), pages 245-274, April.
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  14. Harrison Hong & Jeremy C. Stein, 1997. "A Unified Theory of Underreaction, Momentum Trading and Overreaction in Asset Markets," NBER Working Papers 6324, National Bureau of Economic Research, Inc.
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Cited by:
  1. Lengnick, Matthias & Wohltmann, Hans-Werner, 2010. "Agent-based financial markets and New Keynesian macroeconomics: A synthesis," Economics Working Papers 2010,10, Christian-Albrechts-University of Kiel, Department of Economics.

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