分析师的报道与股价暴跌和跳涨的概率有关

IF 1.9 Q2 BUSINESS, FINANCE Review of Behavioral Finance Pub Date : 2023-11-07 DOI:10.1108/rbf-06-2022-0156
Mohammed Bouaddi, Omar Farooq, Catalina Hurwitz
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引用次数: 0

摘要

本文的目的是为了证明分析师覆盖率对股价崩盘的事前概率和股价跳涨的事前概率的影响。本文使用法国非金融公司的数据来检验本文在1997年至2019年期间提出的论点。本文还使用灵活的象限关联来计算崩溃和跳跃的事前概率。结果表明,分析师的覆盖程度与股灾前概率呈正相关,与股灾前概率呈负相关。经过多次灵敏度检查,结果在质量上保持一致。研究结果还表明,当事后股价暴跌和股价跃升的概率分别出现时,分析师覆盖范围与现金兑现概率和股价跃升概率之间的关系仍然成立。独创性/价值与大多数关于这一主题的早期论文不同,本文使用了碰撞和跳跃的事前概率。该代理比先前文献中使用的代理更适合,因为它是前瞻性的测量。
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Analyst coverage and the probability of stock price crash and jump
Purpose The aim of this paper is to document the effect of analyst coverage on the ex ante probability of stock price crash and the ex ante probability stock price jump. Design/methodology/approach This paper uses the data of non-financial firms from France to test the arguments presented in this paper during the period between 1997 and 2019. The paper also uses flexible quadrants copulas to compute the ex ante probabilities of crashes and jumps. Findings The results show that the extent of analyst coverage is positively associated with the ex ante probability of crash and negatively associated with the ex ante probability of jump. The results remain qualitatively the same after several sensitivity checks. The results also show that the relationship between the extent of analyst coverage and the probability of cash and the probability of jump holds when ex post probability of stock price crash and stock price jump is used. Originality/value Unlike most of the earlier papers on this topic, this paper uses the ex ante probability of crash and jump. This proxy is better suited than the ones used in the prior literature because it is a forward-looking measure.
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来源期刊
Review of Behavioral Finance
Review of Behavioral Finance BUSINESS, FINANCE-
CiteScore
4.70
自引率
5.00%
发文量
44
期刊介绍: Review of Behavioral Finance publishes high quality original peer-reviewed articles in the area of behavioural finance. The RBF focus is on Behavioural Finance but with a very broad lens looking at how the behavioural attributes of the decision makers influence the financial structure of a company, investors’ portfolios, and the functioning of financial markets. High quality empirical, experimental and/or theoretical research articles as well as well executed literature review articles are considered for publication in the journal.
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