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Demand shock, speculative beta, and asset prices: Evidence from the Shanghai-Hong Kong Stock Connect program

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  • Liu, Clark
  • Wang, Shujing
  • Wei, K.C. John

Abstract

Upon the announcement of the Shanghai-Hong Kong Stock Connect program, connected stocks in the Shanghai Stock Exchange experience significant value appreciation of 1.8% over a seven-day announcement window and significant increases in turnover and volatility compared with unconnected stocks with similar firm characteristics, especially for stocks with higher market beta. The beta effect on stock prices is stronger for stocks with higher beta-to-idiosyncratic variance ratios and is reversed within three months. The results support the speculative nature of beta and the multiplier effect of speculation on demand shocks as predicted by Hong, Scheinkman, and Xiong (2006) and Hong and Sraer (2016). The announcement of the Shenzhen-Hong Kong Stock Connect program serves as an out-of-sample test and confirms our findings.

Suggested Citation

  • Liu, Clark & Wang, Shujing & Wei, K.C. John, 2021. "Demand shock, speculative beta, and asset prices: Evidence from the Shanghai-Hong Kong Stock Connect program," Journal of Banking & Finance, Elsevier, vol. 126(C).
    • Handle: RePEc:eee:jbfina:v:126:y:2021:i:c:s0378426621000601
    DOI: 10.1016/j.jbankfin.2021.106102
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    2. Chen, Yunsen & Huang, Jianqiao & Li, Xiao & Ni, Xiaoran, 2023. "Financial market opening and corporate tax avoidance: Evidence from staggered quasi-natural experiments," Finance Research Letters, Elsevier, vol. 54(C).
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    6. Wang, Ye & Liu, Xufeng & Wan, Die, 2023. "Stock market openness and ESG performance: Evidence from Shanghai-Hong Kong connect program," Economic Analysis and Policy, Elsevier, vol. 78(C), pages 1306-1319.
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    More about this item

    Keywords

    Demand shock; Speculative beta; Heterogeneous beliefs; Short-sale constraints; Market liberalization;
    All these keywords.

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation

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