光華講壇——社會名流與企業(yè)家論壇第6599期
主題:Stale Earnings Information and Stock Price Reversals: Evidence from China (陳舊盈余信息和股票價格反轉:來自中國的證據(jù))
主講人:西安交通大學管理學院 李留闖
主持人:西南財經(jīng)大學會計學院 胡寧
時間:6月27日 15:00—16:30
地點:誠正樓650室
主辦單位:新時代中國特色財務與會計理論創(chuàng)新與方法體系研究團隊 數(shù)字經(jīng)濟重大基礎理論與實踐創(chuàng)新研究團隊 會計學院 科研處
主講人簡介:
李留闖,會計學教授,博士生導師,現(xiàn)任職于西安交通大學管理學院。其研究興趣主要集中我國資本市場制度安排的經(jīng)濟后果,包括會計制度、審計監(jiān)管等對上市公司信息披露、會計信息質量、審計師行為的影響等,研究成果發(fā)表在The Accounting Review、Contemporary Accounting Research、Journal of Banking & Finance、Financial Management、Auditing: a Journal of Practice & Theory等。
內容概要:
Investors struggle to distinguish the stale component of news. Tetlock (2011) constructs a stylized analytical model, illustrating that the stale information hypothesis has the potential to explain stock price reactions to earnings news. Exploring the Chinese market characterized by the dominant retail investors, we discover evidence consistent with the stale information hypothesis. At the next quarter’s earnings announcement, stock prices reverse to earnings announced at the current quarter. The magnitude of stock price reversals is associated with the extent to which underlying earnings news is stale. Moreover, when there are more retail investors trading at the current earnings announcement, stock prices reverse more significantly. Our results are robust to various research designs, and we rule out several alternative explanations, including investors’ divergent opinions, high attention during annual earnings announcements, and measurement errors in earning signals.
投資者很難區(qū)分新聞中陳舊的成分。Tetlock(2011)構建了一個程式化的分析模型,說明陳舊信息假說有可能解釋股價對盈利消息的反應。在以散戶為主的中國市場中,我們發(fā)現(xiàn)了與陳舊信息假說相一致的證據(jù)。在下一季度的盈利公告中,股價與本季度公布的盈利相反。股價反轉的幅度與基本盈利消息過時的程度有關。此外,當有更多的散戶投資者在當前的盈利公告中進行交易時,股價會發(fā)生更大的逆轉。我們的研究結果對各種研究設計都是穩(wěn)健的,我們排除了幾種替代解釋,包括投資者的不同意見、年度盈利公告期間的高度關注以及盈利信號中的測量誤差。