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Monetary Policy, Stock Price Misalignments and Macroeconomic Instability

  • Bask, Mikael

    ()

    (Hanken School of Economics)

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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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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  1. Kaushik Mitra & James Bullard, 2004. "Determinacy, Learnability, and Monetary Policy Inertia," Royal Holloway, University of London: Discussion Papers in Economics 04/14, Department of Economics, Royal Holloway University of London, revised Jul 2004.
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  9. Ben Bernanke & Mark Gertler, 1999. "Monetary policy and asset price volatility," Economic Review, Federal Reserve Bank of Kansas City, issue Q IV, pages 17-51.
  10. Blanchard, Olivier Jean & Kahn, Charles M, 1980. "The Solution of Linear Difference Models under Rational Expectations," Econometrica, Econometric Society, vol. 48(5), pages 1305-11, July.
  11. McCallum, Bennett T., 2007. "E-stability vis-a-vis determinacy results for a broad class of linear rational expectations models," Journal of Economic Dynamics and Control, Elsevier, vol. 31(4), pages 1376-1391, April.
  12. Richard Clarida & Jordi Galí & Mark Gertler, 1997. "The science of monetary policy: A new Keynesian perspective," Economics Working Papers 356, Department of Economics and Business, Universitat Pompeu Fabra, revised Apr 1999.
  13. 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.
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  16. Alexandros Kontonikas & Christos Ioannidis, 2003. "Should Monetary Policy Respond to Asset Price Misalignments?," Public Policy Discussion Papers 03-19, Economics and Finance Section, School of Social Sciences, Brunel University.
  17. Ioannidis, Christos & Kontonikas, Alexandros, 2008. "The impact of monetary policy on stock prices," Journal of Policy Modeling, Elsevier, vol. 30(1), pages 33-53.
  18. Clarida, R. & Gali, J. & Gertler, M., 1998. "Monetary Policy Rules and Macroeconomic Stability: Evidence and some Theory," Working Papers 98-01, C.V. Starr Center for Applied Economics, New York University.
  19. Menkhoff, Lukas & Taylor, Mark P., 2006. "The Obstinate Passion of Foreign Exchange Professionals: Technical Analysis," Hannover Economic Papers (HEP) dp-352, Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät.
  20. De Long, J Bradford & Andrei Shleifer & Lawrence H. Summers & Robert J. Waldmann, 1990. "Noise Trader Risk in Financial Markets," Journal of Political Economy, University of Chicago Press, vol. 98(4), pages 703-38, August.
  21. Glenn D. Rudebusch, 1995. "Federal Reserve interest rate targeting, rational expectations, and the term structure," Working Papers in Applied Economic Theory 95-02, Federal Reserve Bank of San Francisco.
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  23. Shleifer, Andrei & Vishny, Robert W, 1997. " The Limits of Arbitrage," Journal of Finance, American Finance Association, vol. 52(1), pages 35-55, March.
  24. James B. Bullard & Eric Schaling, 2002. "Why the Fed should ignore the stock market," Review, Federal Reserve Bank of St. Louis, issue Mar., pages 35-42.
  25. Mikael Bask & Carina Selander, 2009. "Robust Taylor rules under heterogeneity in currency trade," International Economics and Economic Policy, Springer, vol. 6(3), pages 283-313, October.
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  28. Taylor, John B., 1993. "Discretion versus policy rules in practice," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 39(1), pages 195-214, December.
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