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Some Evidence of Speculative Bubbles in the Foreign Exchange Markets

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  • Woo, Wing Thye

Abstract

The authors propose that the poor performance of portfolio models is due to their exclusion of speculative bubbles. They suggest a new unce rtainty-bubble solution (as opposed to a risk-bubble solution). Discr etion is minimized because the trend of the bubble is an exact functi on of the structural parameters. For three exchange rates, the bubble -augmented portfolio model passes the usual statistical tests and per forms better than its VAR equivalent in out-of-sample dynamic simulat ion. When the model was reestimated with the bubbles removed, and wit h ordinary dummies in place of the constrained trend, the parameter e stimates were invariably insignificant. Copyright 1987 by Ohio State University Press.

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  • Woo, Wing Thye, 1987. "Some Evidence of Speculative Bubbles in the Foreign Exchange Markets," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 19(4), pages 499-514, November.
    • Handle: RePEc:mcb:jmoncb:v:19:y:1987:i:4:p:499-514
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    Cited by:

    1. Boubaker, Sabri & Liu, Zhenya & Sui, Tianqing & Zhai, Ling, 2022. "The mirror of history: How to statistically identify stock market bubble bursts," Journal of Economic Behavior & Organization, Elsevier, vol. 204(C), pages 128-147.
    2. Zhou, Wei-Xing & Sornette, Didier, 2009. "A case study of speculative financial bubbles in the South African stock market 2003–2006," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(6), pages 869-880.
    3. David Archer, 2005. "Foreign exchange market intervention: methods and tactics," BIS Papers chapters, in: Bank for International Settlements (ed.), Foreign exchange market intervention in emerging markets: motives, techniques and implications, volume 24, pages 40-55, Bank for International Settlements.
    4. Wu, Yangru, 1995. "Are there rational bubbles in foreign exchange markets? Evidence from an alternative test," Journal of International Money and Finance, Elsevier, vol. 14(1), pages 27-46, February.
    5. Eray Gemici & Muslum Polat & Remzi Gök & Muhammad Asif Khan & Mohammed Arshad Khan & Yunus Kilic, 2023. "Do Bubbles in the Bitcoin Market Impact Stock Markets? Evidence From 10 Major Stock Markets," SAGE Open, , vol. 13(2), pages 21582440231, June.
    6. Wing Woo, 2004. "Some Fundamental Inadequacies of the Washington Consensus: Misunderstanding the Poor by the Brightest," Development and Comp Systems 0411021, University Library of Munich, Germany.
    7. Daan Steenkamp, 2017. "How bubbly is the New Zealand dollar?," Reserve Bank of New Zealand Discussion Paper Series DP2017/03, Reserve Bank of New Zealand.
    8. Maria Sophia Aguirre & Reza Saidi, 2000. "Asymmetries in the conditional mean and conditional variance in the exchange rate: evidence from within and across economic blocks," Applied Financial Economics, Taylor & Francis Journals, vol. 10(4), pages 401-412.
    9. Vogel, Harold L. & Werner, Richard A., 2015. "An analytical review of volatility metrics for bubbles and crashes," International Review of Financial Analysis, Elsevier, vol. 38(C), pages 15-28.
    10. Ithurbide, Philippe, 1987. "Le marché de l’or et les bulles rationnelles," L'Actualité Economique, Société Canadienne de Science Economique, vol. 63(4), pages 331-356, décembre.
    11. D. Sornette & A. Johansen, 2001. "Significance of log-periodic precursors to financial crashes," Papers cond-mat/0106520, arXiv.org.
    12. Kirman, Alan & Teyssiere, Gilles, 2005. "Testing for bubbles and change-points," Journal of Economic Dynamics and Control, Elsevier, vol. 29(4), pages 765-799, April.
    13. Ioannis N. Kallianiotis & Karen Bianchi & Augustine C. Arize & John Malindretos & Ikechukwu Ndu, 2020. "Financial Assets, Expected Return and Risk, Speculation, Uncertainty, and Exchange Rate Determination," European Research Studies Journal, European Research Studies Journal, vol. 0(3), pages 3-30.
    14. Sornette, Didier & Zhou, Wei-Xing, 2004. "Evidence of fueling of the 2000 new economy bubble by foreign capital inflow: implications for the future of the US economy and its stock market," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 332(C), pages 412-440.
    15. Dr. Ioannis N. Kallianiotis & Dr. Dean Frear, 2006. "Assets Return and Risk and Exchange Rate Trends: An Ex Post Analysis," European Research Studies Journal, European Research Studies Journal, vol. 0(3-4), pages 15-34.

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