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The impact of 2008 financial crisis on the efficiency and contagion of Asian stock markets: A Hurst exponent approach

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  • Jin, Xiaoye

Abstract

This study analyzes the dynamics of the Hurst exponent of the Asian stock markets returns in the context of the 2008 financial crisis. Using the Hurst exponents calculated with the MFDMA algorithm, we find that most of the returns exhibit a long memory in the 2008 financial crisis period but not in the tranquil periods, indicating that the 2008 financial crisis has adversely affected the efficiency of Asian stock markets. Then, applying the copula models, we find that there is a significant increase in correlation between the local Hurst exponents of several markets, indicating the existence of financial contagion.

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  • Jin, Xiaoye, 2016. "The impact of 2008 financial crisis on the efficiency and contagion of Asian stock markets: A Hurst exponent approach," Finance Research Letters, Elsevier, vol. 17(C), pages 167-175.
    • Handle: RePEc:eee:finlet:v:17:y:2016:i:c:p:167-175
    DOI: 10.1016/j.frl.2016.03.004
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    9. Sewraj, Deeya & Gebka, Bartosz & Anderson, Robert D.J., 2019. "Day-of-the-week effects in financial contagion," Finance Research Letters, Elsevier, vol. 28(C), pages 221-226.
    10. Cao, Guangxi & Shi, Yingying, 2017. "Simulation analysis of multifractal detrended methods based on the ARFIMA process," Chaos, Solitons & Fractals, Elsevier, vol. 105(C), pages 235-243.
    11. Diniz-Maganini, Natalia & Rasheed, Abdul A. & Sheng, Hsia Hua, 2023. "Price efficiency of the foreign exchange rates of BRICS countries: A comparative analysis," Latin American Journal of Central Banking (previously Monetaria), Elsevier, vol. 4(1).
    12. Aristeidis Samitas & Elias Kampouris & Zaghum Umar, 2022. "Financial contagion in real economy: The key role of policy uncertainty," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 27(2), pages 1633-1682, April.
    13. Liu, Jian & Cheng, Cheng & Yang, Xianglin & Yan, Lizhao & Lai, Yongzeng, 2019. "Analysis of the efficiency of Hong Kong REITs market based on Hurst exponent," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 534(C).
    14. Lahmiri, Salim & Bekiros, Stelios, 2020. "The impact of COVID-19 pandemic upon stability and sequential irregularity of equity and cryptocurrency markets," Chaos, Solitons & Fractals, Elsevier, vol. 138(C).
    15. Vogl, Markus, 2023. "Hurst exponent dynamics of S&P 500 returns: Implications for market efficiency, long memory, multifractality and financial crises predictability by application of a nonlinear dynamics analysis framewo," Chaos, Solitons & Fractals, Elsevier, vol. 166(C).
    16. Swaray, Raymond & Salisu, Afees A., 2018. "A firm-level analysis of the upstream-downstream dichotomy in the oil-stock nexus," Global Finance Journal, Elsevier, vol. 37(C), pages 199-218.
    17. Toan Luu Duc Huynh & Tobias Burggraf, 2020. "If worst comes to worst: Co-movement of global stock markets in the US-China trade war," Economics and Business Letters, Oviedo University Press, vol. 9(1), pages 21-30.
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    More about this item

    Keywords

    Hurst exponent; Financial crisis; Financial contagion; MFDMA algorithm; Copula models;
    All these keywords.

    JEL classification:

    • F30 - International Economics - - International Finance - - - General
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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