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Nonlinear behavior of the Chinese SSEC index with a unit root: Evidence from threshold unit root tests

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  • Xi-Yuan Qian

    (ECUST)

  • Fu-Tie Song

    (ECUST)

  • Wei-Xing Zhou

    (ECUST)

Abstract

We investigate the behavior of the Shanghai Stock Exchange Composite (SSEC) index for the period from 1990:12 to 2007:06 using an unconstrained two-regime threshold autoregressive (TAR) model with an unit root developed by Caner and Hansen. The method allows us to simultaneously consider non-stationarity and nonlinearity in financial time series. Our finding indicates that the Shanghai stock market exhibits nonlinear behavior with two regimes and has unit roots in both regimes. The important implications of the threshold effect in stock markets are also discussed.

Suggested Citation

  • Xi-Yuan Qian & Fu-Tie Song & Wei-Xing Zhou, 2007. "Nonlinear behavior of the Chinese SSEC index with a unit root: Evidence from threshold unit root tests," Papers 0707.2284, arXiv.org.
    • Handle: RePEc:arx:papers:0707.2284
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    2. Tülin Anlas & Cengiz Toraman, 2016. "Analysing the Efficiency of the Turkish Stock Market with Multiple Structural Breaks," International Journal of Academic Research in Business and Social Sciences, Human Resource Management Academic Research Society, International Journal of Academic Research in Business and Social Sciences, vol. 6(12), pages 721-740, December.
    3. Ya-Chi Huang, 2017. "Exploring issues of market inefficiency by the role of forecasting accuracy in survivability," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 12(2), pages 167-191, July.
    4. repec:ebl:ecbull:v:30:y:2010:i:1:p:274-281 is not listed on IDEAS
    5. Lyócsa, Štefan & Výrost, Tomáš & Baumöhl, Eduard, 2011. "Unit-root and stationarity testing with empirical application on industrial production of CEE-4 countries," MPRA Paper 29648, University Library of Munich, Germany.
    6. Luis A. Gil-Alana & Yun Cao, 2011. "Stock market prices in China. Efficiency, mean reversion, long memory volatility and other implicit dynamics," Faculty Working Papers 12/11, School of Economics and Business Administration, University of Navarra.
    7. Mamdouh Abdulaziz Saleh Al-Faryan & Everton Dockery, 2021. "Testing for efficiency in the Saudi stock market: does corporate governance change matter?," Review of Quantitative Finance and Accounting, Springer, vol. 57(1), pages 61-90, July.
    8. Nartea, Gilbert V. & Valera, Harold Glenn A. & Valera, Maria Luisa G., 2021. "Mean reversion in Asia-Pacific stock prices: New evidence from quantile unit root tests," International Review of Economics & Finance, Elsevier, vol. 73(C), pages 214-230.
    9. Lee, Chien-Chiang & Lee, Jun-De & Lee, Chi-Chuan, 2010. "Stock prices and the efficient market hypothesis: Evidence from a panel stationary test with structural breaks," Japan and the World Economy, Elsevier, vol. 22(1), pages 49-58, January.
    10. Siow-hooi Tan & Muzafar-shah Habibullah & Roy-wye-leong Khong, 2010. "Non-linear unit root properties of stock prices: Evidence from India, Pakistan and Sri Lanka," Economics Bulletin, AccessEcon, vol. 30(1), pages 274-281.
    11. Gozbasi, Onur & Kucukkaplan, Ilhan & Nazlioglu, Saban, 2014. "Re-examining the Turkish stock market efficiency: Evidence from nonlinear unit root tests," Economic Modelling, Elsevier, vol. 38(C), pages 381-384.
    12. Shuai Zhao & Yunhai Tong & Zitian Wang & Shaohua Tan, 2016. "Identifying Key Drivers of Return Reversal with Dynamical Bayesian Factor Graph," PLOS ONE, Public Library of Science, vol. 11(11), pages 1-20, November.

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