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Enhancing capital market efficiency: The role of data assets disclosure in reducing stock price synchronicity

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  • Sun, Xiaowen
  • Du, Zhenhua

Abstract

In the burgeoning digital economy, data have emerged as a pivotal factor of production, embodying a critical source of competitive advantage and core assets for companies. This study investigates the influence of data assets disclosure on the efficiency of capital market pricing, particularly through the lens of stock price synchronicity among Shanghai and Shenzhen A-share listed companies from 2013 to 2021. The analysis reveals that transparent data assets information significantly diminishes stock price synchronicity. The reduction is more pronounced when the disclosed data assets information is highly verifiable and comprehensible. Mechanistic exploration suggests that this effect primarily arises from diminished information asymmetry, enhanced long-term investments by institutional investors, and eased financing constraints. Notably, the impact is more substantial in non-high-tech companies and those with superior information disclosure ratings. After rigorous robustness checks and endogeneity considerations, our findings persist, highlighting the critical function of data assets disclosure in reducing stock price synchronicity and offering actionable insights for refining corporate information disclosure and governance practices.

Suggested Citation

  • Sun, Xiaowen & Du, Zhenhua, 2024. "Enhancing capital market efficiency: The role of data assets disclosure in reducing stock price synchronicity," International Review of Economics & Finance, Elsevier, vol. 94(C).
    • Handle: RePEc:eee:reveco:v:94:y:2024:i:c:s1059056024003289
    DOI: 10.1016/j.iref.2024.05.030
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    More about this item

    Keywords

    Data assets; Information disclosure; Capital market efficiency; Stock price synchronicity;
    All these keywords.

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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