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Stock Market Openness And Market Quality: Evidence From The Shanghai–Hong Kong Stock Connect Program

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  • Ke Xu
  • Xinwei Zheng
  • Deng Pan
  • Li Xing
  • Xuekui Zhang

Abstract

We study the impact of capital market openness on high‐frequency market quality in China. The Shanghai–Hong Kong Stock Connect program (SHHKConnect) opens China's stock market to foreign investors and offers a natural experiment to investigate this question. Using a difference‐in‐differences approach, we find that market liberalization leads to lower quoted spread, lower effective spread, lower market depth, and higher short‐term volatility. Our findings imply that opening the markets to more sophisticated foreign investors is associated with higher competition and more cross‐market arbitrage activities, narrowing the spread and reducing liquidity providers’ profits, but increasing the price impact and short‐term volatility of connected stocks.

Suggested Citation

  • Ke Xu & Xinwei Zheng & Deng Pan & Li Xing & Xuekui Zhang, 2020. "Stock Market Openness And Market Quality: Evidence From The Shanghai–Hong Kong Stock Connect Program," Journal of Financial Research, Southern Finance Association;Southwestern Finance Association, vol. 43(2), pages 373-406, May.
    • Handle: RePEc:bla:jfnres:v:43:y:2020:i:2:p:373-406
    DOI: 10.1111/jfir.12210
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    3. Yan Meng & Lingyun Xiong & Lijuan Xiao & Min Bai, 2023. "The effect of overseas investors on local market efficiency: evidence from the Shanghai/Shenzhen–Hong Kong Stock Connect," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 9(1), pages 1-32, December.
    4. Zhang, Ping & Sha, Yezhou & Wang, Yu & Wang, Tewei, 2022. "Capital market opening and stock price crash risk – Evidence from the Shanghai-Hong Kong stock connect and the Shenzhen-Hong Kong stock connect," Pacific-Basin Finance Journal, Elsevier, vol. 76(C).
    5. Jianqiao Huang & Yunsen Chen & Xin Dai & Xiaoran Ni, 2022. "Stock market liberalisation and corporate cash holdings: evidence from China," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 62(S1), pages 1925-1955, April.
    6. Lin Liao & Yukun Pan & Daifei (Troy) Yao, 2023. "Capital market liberalisation and voluntary corporate social responsibility disclosure: Evidence from a quasi‐natural experiment in China," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 63(2), pages 2677-2715, June.
    7. Yang, Liuyong & Wang, Beibei & Luo, Deming, 2022. "Corporate social responsibility in market liberalization: Evidence from Shanghai-Hong Kong Stock Connect," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 77(C).
    8. Sha, Yezhou & Zhang, Ping & Wang, Yiru & Xu, Yifan, 2022. "Capital market opening and green innovation——Evidence from Shanghai-Hong Kong stock connect and the Shenzhen-Hong Kong stock connect," Energy Economics, Elsevier, vol. 111(C).
    9. Junwei Lu & Xiaoxia Bu & Jing Chen, 2021. "Do inflowing sophisticated investors induce classification shifting? New evidence from market liberalisation in China," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 61(5), pages 6193-6223, December.
    10. Li, Qinyang & Liu, Xiangqiang & Chen, Jing & Wang, Huaixin, 2022. "Does stock market liberalization reduce stock price synchronicity? —Evidence from the Shanghai-Hong Kong Stock Connect," International Review of Economics & Finance, Elsevier, vol. 77(C), pages 25-38.
    11. Zhang, Xiaotao & Wang, Ziqiao & Hao, Jing & He, Feng, 2022. "Price limit and stock market quality: Evidence from a quasi-natural experiment in the Chinese stock market," Pacific-Basin Finance Journal, Elsevier, vol. 74(C).
    12. Xu, Hao & Li, Songsong, 2023. "What impacts foreign capital flows to China's stock markets? Evidence from financial risk spillover networks," International Review of Economics & Finance, Elsevier, vol. 85(C), pages 559-577.
    13. Yuming Zhang & Juanjuan Zhang & Zhang Cheng, 2021. "Stock Market Liberalization and Corporate Green Innovation: Evidence from China," IJERPH, MDPI, vol. 18(7), pages 1-22, March.
    14. Tao Xiong & Miao Li, 2024. "A tale of two contracts: Was the SHFE copper futures market disrupted by the listing of INE bonded copper futures?," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 44(2), pages 281-301, February.
    15. Kin Ming Wong & Kwok Ping Tsang, 2023. "Inclusions and Exclusions of Stocks in Cross-Border Investments: The Case of Stock Connect," Asia-Pacific Financial Markets, Springer;Japanese Association of Financial Economics and Engineering, vol. 30(4), pages 701-727, December.
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    17. Jia, Qiaoyu & Zhou, Jia'nan, 2021. "The dark side of stock market liberalization: Perspectives from corporate R&D activities in China," The North American Journal of Economics and Finance, Elsevier, vol. 58(C).

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