经理人对基调和股价同步性的特定操纵

Miao Jiang, Bo Zhu, Luxi Li
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引用次数: 0

摘要

以 2008 年至 2020 年的中国上市公司为样本,我们发现管理者在 "管理层讨论与分析"(MD&A)部分向上操纵语气与股价同步性更强相关。这表明,向上操纵语气会降低股票的特异性信息含量。异常积极的语调与股价同步性之间的这种关系受到公司收入增长率的负向调节,而投资者的非理性情绪则对这种关系起到正向调节作用。此外,积极语气操纵会显著提高审计的积极性,降低分析师的乐观偏差。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Manager‐specific manipulation of tone and stock price synchronicity
Using a sample of Chinese listed firms from 2008 to 2020, we find that manager‐specific upward manipulation of tone in the Management Discussion and Analysis (MD&A) section is associated with greater stock price synchronicity. This suggests that upward tone manipulation decreases the stock's idiosyncratic information content. This relationship between abnormally positive tone and stock price synchronicity is negatively moderated by the firm's revenue growth rate, while investor irrational sentiment positively moderates this relationship. Additionally, positive tone manipulation significantly increases audit aggressiveness and decreases analyst optimism bias.
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