文章选取2017—2022年A+H股上市公司作为研究样本,分析了可持续信息鉴证对H股折价程度的影响。研究发现,经鉴证的可持续信息能够有效缓解中国内地与香港两地投资者之间的信息不对称问题,从而显著降低H股相对于A股的折价幅度;在鉴证服务由专业会计师事务所提供、鉴证范围界定清晰且涵盖更多环境议题或行业实质性议题的样本中,鉴证对H股折价幅度的抑制作用更加显著;此外,在ESG认知分歧较大、绿色创新投入和环保资金投入较多、公司内外部治理水平较低的企业中,可持续信息鉴证对H股折价的改善作用更加突出。文章的研究丰富了可持续信息鉴证经济后果及跨区域资本市场定价效率领域的相关文献,也为监管机构制定可持续信息鉴证政策、上市公司提升信息披露质量以降低多地上市时的国别或地区折价提供了重要启示。
可持续信息鉴证与资本市场定价效率——来自H股折价的证据
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引用本文
薛爽, 陈嵩洁, 吴富中. 可持续信息鉴证与资本市场定价效率——来自H股折价的证据[J]. 财经研究, 2025, 51(8): 125-138.
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