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The Effects of Japanese Foreign Exchange Intervention: GARCH Estimation and Change Point Detection

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Author Info

  • Eric Hillebrand

    (Louisiana State University)

  • Gunther Schnabl

    (Tuebingen University)

Abstract

We study the impact of Japanese foreign exchange intervention on the volatility of the yen/dollar exchange rate since the early 1990s based on a GARCH framework. Using daily intervention data provided by the Japanese Ministry of Finance, we show that the success of interventions varies over time. Measured on the total sample between 1991 and 2003 the estimation results for the impact of foreign exchange intervention on the yen/dollar exchange rate volatility are inconclusive. Sub-dividing the sample into yearly sub-periods and into intervention clusters suggests a structural break. From 1991 up to the late 1990s Japanese foreign exchange intervention seems to have increased the volatility of the yen/dollar exchange rate. In contrast in the new millennium, Japa- nese foreign exchange intervention is associated with less exchange rate volatility. Non-arbitrary segmentation by change point detection leads to similar results. The evidence in favour of recent successful Japanese foreign exchange intervention is line with theoretical evidence which implies successful intervention is the case of un-sterilized intervention.

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Bibliographic Info

Paper provided by EconWPA in its series International Finance with number 0410008.

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Length: 36 pages
Date of creation: 27 Oct 2004
Date of revision:
Handle: RePEc:wpa:wuwpif:0410008

Note: Type of Document - pdf; pages: 36. Updated version.
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Web page: http://128.118.178.162

Related research

Keywords: Japan; Foreign Exchange Intervention; Exchange Rate Volatility; GARCH; Change Point Detection; Liquidity Trap;

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References

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Citations

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Cited by:
  1. Joscha Beckmann & Ansgar Belke & Michael Kuehl, 2013. "Foreign Exchange Market Interventions and the $-¥ Exchange Rate in the Long Run," ROME Working Papers 201307, ROME Network.
  2. Neely, Christopher J., 2008. "Central bank authorities' beliefs about foreign exchange intervention," Journal of International Money and Finance, Elsevier, vol. 27(1), pages 1-25, February.
  3. Schnabl, Gunther & Danne, Christian, 2005. "The Changing Role of the Yen/Dollar Exchange Rate for Japanese Monetary Policy," Tübinger Diskussionsbeiträge 290, University of Tübingen, School of Business and Economics.
  4. Morel, Christophe & Teïletche, Jérôme, 2008. "Do interventions in foreign exchange markets modify investors' expectations? The experience of Japan between 1992 and 2004," Journal of Empirical Finance, Elsevier, vol. 15(2), pages 211-231, March.
  5. Kim, Suk-Joong, 2007. "Intraday evidence of efficacy of 1991-2004 Yen intervention by the Bank of Japan," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 17(4), pages 341-360, October.
  6. Takatoshi Ito & Tomoyoshi Yabu, 2004. "What Prompts Japan to Intervene in the Forex Market? A New Approach to a Reaction Function," NBER Working Papers 10456, National Bureau of Economic Research, Inc.
  7. Ronald McKinnon & Gunther Schnabl, 2004. "The Return to Soft Dollar Pegging in East Asia. Mitigating Conflicted Virtue," International Finance 0406007, EconWPA, revised 07 Jul 2004.
  8. Schnabl, Gunther, 2005. "International Capital Markets and Informal Dollar Standards in the CIS and East Asia," HWWA Discussion Papers 326, Hamburg Institute of International Economics (HWWA).
  9. Frenkel, Michael & Pierdzioch, Christian & Stadtmann, Georg, 2005. "The effects of Japanese foreign exchange market interventions on the yen/U.S. dollar exchange rate volatility," International Review of Economics & Finance, Elsevier, vol. 14(1), pages 27-39.
  10. Gunther Schnabl, 2004. "International Capital Markets, Macroeconomic Stability, and Exchange Rate Stabilization in the CIS and East Asia," International Finance 0410009, EconWPA, revised 01 Mar 2005.
  11. Christopher J. Neely, 2005. "An analysis of recent studies of the effect of foreign exchange intervention," Working Papers 2005-030, Federal Reserve Bank of St. Louis.
  12. Alberto Humala & Gabriel Rodriguez, 2010. "Foreign exchange intervention and exchange rate volatility in Peru," Applied Economics Letters, Taylor & Francis Journals, vol. 17(15), pages 1485-1491.
  13. Frenkel, Michael & Pierdzioch, Christian & Stadtmann, Georg, 2004. "On the determinants of "small" and "large" foreign exchange market interventions: The case of the Japanese interventions in the 1990s," Review of Financial Economics, Elsevier, vol. 13(3), pages 231-243.
  14. Suardi, Sandy, 2008. "Central bank intervention, threshold effects and asymmetric volatility: Evidence from the Japanese yen-US dollar foreign exchange market," Economic Modelling, Elsevier, vol. 25(4), pages 628-642, July.
  15. Morel, Christophe & Teiletche, Jérôme, 2008. "Do interventions in foreign exchange markets modify investors' expectations? The experience of Japan between 1992 and 2004," Economics Papers from University Paris Dauphine 123456789/12956, Paris Dauphine University.

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