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This study investigates the effect of corporate online interaction activeness on investors' perceptions of earnings information. Using a large sample of Chinese listed firms for the period 2010–2019, we find that investors' perceptions of earnings information, measured by earnings response coefficients (ERCs), increase with the level of corporate online interaction activeness, and the effect is more pronounced in firms with a larger retail investor base and higher stock illiquidity. Our results suggest that social media interaction helps to improve stock price efficiency. [ABSTRACT FROM AUTHOR]

This article investigates the effects of an anti-corruption campaign on firm value by testing market reactions to the investigation of top local officials during the recent anti-corruption campaign in China. We find that the anti-corruption events are more likely to be bad news for the market values of local state-owned enterprises (SOEs) but good news for the market values of non-SOEs less dependent on political connections. Besides, anti-corruption events are also more likely to be bad news for firms in regulated industries or low-marketization regions but good news for firms in nonregulated industries or high-marketization regions. [ABSTRACT FROM AUTHOR]