当代财经 ›› 2026, Vol. 0 ›› Issue (7): 127-138.

• 管理科学 • 上一篇    下一篇

预测性信息“安全港”制度实施如何降低企业股价同步性

毕晓方, 王轶, 柳永天   

  1. 天津财经大学 会计学院,天津 300222
  • 收稿日期:2025-08-28 修回日期:2025-11-05 出版日期:2026-07-15 发布日期:2026-09-14
  • 通讯作者: 柳永天,天津财经大学博士研究生,主要从事公司财务与创新研究,联系方式liuyongtian1018@126.com。
  • 作者简介:毕晓方,天津财经大学教授,管理学博士,主要从事财务政策、信息披露与企业创新研究;王轶,天津财经大学博士研究生,主要从事财务政策与企业信息披露研究。
  • 基金资助:
    国家社会科学基金重大项目“平台企业治理研究”(21&ZD135)

How the Safe Harbor Rule for Forward-looking Statements Reduce Stock Price Synchronicity?

Bi Xiao-fang, Wang Yi, Liu Yong-tian   

  1. Tianjin University of Finance and Economics, Tianjin, 300222, China
  • Received:2025-08-28 Revised:2025-11-05 Online:2026-07-15 Published:2026-09-14

摘要: 基于有效市场理论和信号传递理论,以中国预测性信息“安全港”制度实施为准自然实验,选取2017—2024年沪深A股上市公司为研究样本,探讨了预测性信息“安全港”制度实施对股价同步性的影响。研究发现,预测性信息“安全港”制度实施能够降低企业的股价同步性。机制检验表明,预测性信息“安全港”制度能使企业披露更多的前瞻性增量信息和前瞻性特质信息,因而预测性信息“安全港”制度实施能降低企业的股价同步性。进一步分析表明,在高新技术企业、分析师关注度高的企业和内外部之间信息不对称程度高的企业中,预测性信息“安全港”制度对股价同步性的降低作用更显著。为此,监管机构要完善和细化预测性信息“安全港”制度的实施准则,企业要明确预测性信息“安全港”制度的适用边界,投资者要提高对企业前瞻性信息的解读能力。

关键词: 预测性信息“安全港”制度, 前瞻性信息, 股价同步性

Abstract: Based on the efficient market hypothesis and signaling theory, this study uses the implementation of China’s Safe Harbor Rule for Forward-looking Information as a quasi-natural experiment, selects A-share listed companies in China’s capital market from 2017 to 2024 as the research sample, examines the impact of the Safe Harbor Rule for Forward-looking Information on stock price synchronicity. The study finds that the implementation of the Safe Harbor Rule can reduce firms’ stock price synchronicity. Mechanism tests indicate that the Safe Harbor Rule enables firms to disclose more forward-looking incremental information and forward-looking firm-specific information, thereby lowering stock price synchronicity. Further analysis reveals that the reduction effect is more pronounced among high-tech enterprises, firms with high analyst coverage, and firms with a high degree of information asymmetry between insiders and outsiders. Accordingly, regulators should improve and refine the implementation guidelines of the Safe Harbor Rule for Forward-looking Information; firms should clarify the applicable boundaries of the Safe Harbor Rule; and investors should enhance their ability to interpret firms’ forward-looking information.

Key words: Key Words:safe harbor rule for forward-looking statements, forward-looking information, stock price synchronicity

中图分类号: