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Did the Bundesbank React to Stock Price Movements?

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  • Siklos, Pierre L.
  • Bohl, Martin T.
  • Werner, Thomas

Abstract

In this paper, we investigate the relationship between stock returns and short-term interest rates. Identification of the stock return-interest rate relation is solved by using a new technique that relies on the heteroskedasticity of shocks to stock market returns. We suggest some improvements to the identification technique and its justification, as well as providing some new findings. In particular, we ask whether the Bundesbank, prior to the European Central Bank taking responsibility for monetary policy in 1999, reacted systematically to stock price movements. In contrast to the results for the US, our empirical findings for the 1985 - 1998 period show a positive, but statistically insignificant, parameter for the relationship between German stock returns and short-term interest rates at the daily frequency. The same result is found at the monthly frequency. Nevertheless, the confidence bands are wide enough that we cannot entirely exclude the possibility of a reaction at lower frequencies. The results are extremely robust to alternative methods used to identify changes in heteroskedasticity. The evidence is, therefore, inconsistent with the hypothesis of a systematic reaction of the Bundesbank to every wiggle in German stock prices. Both the historical and institutional evidence are supportive of this conclusion. -- In diesem Diskussionspapier untersuchen wir den Zusammenhang zwischen Aktienkursveränderungen und Veränderungen der kurzfristigen Zinssätze. Die ökonometrische Identifikation dieses Zusammenhangs erfolgt mit Hilfe eines neuen Verfahrens, das die Heteroskedastie von Aktienkursveränderungen ausnutzt. Wir schlagen einige Verbesserungen und Rechtfertigungen zu diesem Verfahren vor und liefern neue empirische Befunde. Im Vordergrund der Betrachtungen steht die Frage, ob die Bundesbank vor der Übernahme der geldpolitischen Entscheidungen durch die Europäische Zentralbank im Jahre 1999 systematisch auf Veränderungen der Aktienkurse reagiert hat. Im Unterschied zu den verfügbaren Ergebnissen für die Vereinigten Staaten von Amerika, finden wir auf Basis von Tagesdaten zwar einen positiven, aber statistisch nicht signifikanten Parameter für die Reaktion des kurzfristigen Zinssatzes auf Änderungen des Aktienkurses. Auf der Grundlage von Monatsdaten ist der Parameter ebenfalls positiv und statistisch insignifikant. Die Konfidenzintervalle sind aber sehr breit, so dass eine Reaktion auf der niedrigeren Frequenz nicht völlig ausgeschlossen werden kann. Die empirischen Resultate sind sehr robust gegenüber unterschiedlichen Modellspezifikationen. Die empirische Evidenz widerspricht somit der These einer systematischen Reaktion der Bundesbank auf jede Bewegung am Aktienmarkt, was durch die historischen und institutionellen Gegebenheiten gestützt wird.

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Bibliographic Info

Paper provided by Deutsche Bundesbank, Research Centre in its series Discussion Paper Series 1: Economic Studies with number 2003,14.

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Date of creation: 2003
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Handle: RePEc:zbw:bubdp1:4211

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  1. Roberto Rigobon & Brian Sack, 2001. "Measuring the reaction of monetary policy to the stock market," Finance and Economics Discussion Series 2001-14, Board of Governors of the Federal Reserve System (U.S.).
  2. 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.
  3. Clarida, Richard & Gali, Jordi & Gertler, Mark, 1998. "Monetary policy rules in practice Some international evidence," European Economic Review, Elsevier, vol. 42(6), pages 1033-1067, June.
  4. Ben S. Bernanke & Mark Gertler, 2001. "Should Central Banks Respond to Movements in Asset Prices?," American Economic Review, American Economic Association, vol. 91(2), pages 253-257, May.
  5. Gilchrist, Simon & Leahy, John V., 2002. "Monetary policy and asset prices," Journal of Monetary Economics, Elsevier, vol. 49(1), pages 75-97, January.
  6. Siklos, Pierre L, 2000. "Is the MCI a Useful Signal of Monetary Policy Conditions? An Empirical Investigation," International Finance, Wiley Blackwell, vol. 3(3), pages 413-37, November.
  7. Jon Faust & John H. Rogers & Jonathan H. Wright, 2001. "An empirical comparison of Bundesbank and ECB monetary policy rules," International Finance Discussion Papers 705, Board of Governors of the Federal Reserve System (U.S.).
  8. 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.
  9. Franklin Allen & Douglas Gale, 2000. "Asset Price Bubbles and Monetary Policy," Center for Financial Institutions Working Papers 01-26, Wharton School Center for Financial Institutions, University of Pennsylvania.
  10. Charles Goodhart & Boris Hofmann, 2001. "Asset prices, financial conditions and the transmission of monetary policy," Proceedings, Federal Reserve Bank of San Francisco, issue Mar.
  11. Frederic S. Mishkin, 2001. "The Transmission Mechanism and the Role of Asset Prices in Monetary Policy," NBER Working Papers 8617, National Bureau of Economic Research, Inc.
  12. Ben S. Bernanke & Ilian Mihov, 1996. "What Does the Bundesbank Target?," NBER Working Papers 5764, National Bureau of Economic Research, Inc.
  13. Thomas F. Cosimano & Connel Fullenkamp & Ralph Chami, 1999. "The Stock Market Channel of Monetary Policy," IMF Working Papers 99/22, International Monetary Fund.
  14. Siklos,Pierre L., 2006. "The Changing Face of Central Banking," Cambridge Books, Cambridge University Press, number 9780521034494, April.
  15. Frank Smets, 1997. "Financial asset prices and monetary policy: theory and evidence," BIS Working Papers 47, Bank for International Settlements.
  16. James H. Stock & Mark W.Watson, 2003. "Forecasting Output and Inflation: The Role of Asset Prices," Journal of Economic Literature, American Economic Association, vol. 41(3), pages 788-829, September.
  17. Roberto Rigobon, 2003. "Identification Through Heteroskedasticity," The Review of Economics and Statistics, MIT Press, vol. 85(4), pages 777-792, November.
  18. Andrew J. Filardo, 2001. "Should monetary policy respond to asset price bubbles? : some experimental results," Research Working Paper RWP 01-04, Federal Reserve Bank of Kansas City.
  19. Sack, Brian & Wieland, Volker, 2000. "Interest-rate smoothing and optimal monetary policy: a review of recent empirical evidence," Journal of Economics and Business, Elsevier, vol. 52(1-2), pages 205-228.
  20. Allen, Franklin & Gale, Douglas, 2000. "Bubbles and Crises," Economic Journal, Royal Economic Society, vol. 110(460), pages 236-55, January.
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Citations

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Cited by:
  1. Rigobon, Roberto & Sack, Brian P., 2003. "The Effects of War Risk on U.S. Financial Markets," Working papers 4417-03, Massachusetts Institute of Technology (MIT), Sloan School of Management.
  2. Fernando Alexandre & Pedro Bação, 2005. "Monetary policy and asset prices: the investment channel," NIPE Working Papers 3/2005, NIPE - Universidade do Minho.
  3. Ansgar Belke & Thorsten Polleit, 2005. "Monetary Policy and Dividend Growth in Germany: Long-Run Structural Modelling versus Bounds Testing Approach," Diskussionspapiere aus dem Institut für Volkswirtschaftslehre der Universität Hohenheim 250/2005, Department of Economics, University of Hohenheim, Germany.
  4. Ansgar Belke & Thorsten Polleit, 2005. "(How) Do Stock Market Returns React to Monetary Policy? - An ARDL Cointegration Analysis for Germany," Diskussionspapiere aus dem Institut für Volkswirtschaftslehre der Universität Hohenheim 253/2005, Department of Economics, University of Hohenheim, Germany.
  5. J. Rodrigo Fuentes S. & Marcelo Ochoa C., 2007. "Política Monetaria, Precios de Activos y Estabilidad Financiera: Una Revisión de la Literatura," Notas de Investigación Journal Economía Chilena (The Chilean Economy), Central Bank of Chile, vol. 10(3), pages 115-127, December.

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