Social media information dissemination and corporate bad news hoarding

Feng He, Yaqian Feng and Lingbing Feng

Accounting and Finance, 2023, vol. 63, issue S1, 1503-1532

Abstract: This paper investigates the role of social media in mitigating corporate bad news hoarding from a stock price crash risk perspective. Using a sample of public listed firms from 2008–2019, we find that social media (Guba) posts could significantly reduce firms’ stock price crash risks in the Chinese stock market. Furthermore, we find that the information intermediation function and complementary corporate governance function enable Guba to achieve such an effect. In addition, investor attention mediates the relationship between Guba posts and management withholding bad news. Our result still holds after a series of robustness checks, including an RDD approach.

Date: 2023
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