所属栏目:资本市场/市场有效性/2023/2023年第02期目录

摘要

Retail investors are rising in prominence but have historically been granted little direct access to question corporate management relative to professionals like sell-side analysts and institutional investors. Because retail investors are relatively less sophisticated and can require hand-holding, we examine whether information asymmetry among investors decreases when firms answer questions from the retail investor base. We exploit ’s investor interactive platforms (IIPs), which were designed to facilitate retail investor access to management. IIPs allow questions to be anonymously and publicly posted, but answers can only pertain to previously disclosed information and there is no explicit penalty for low-quality answers. We find that IIP answers reduce bid-ask spreads, with stronger answer effects when managers respond quickly, provide direct answers, and interact with IIP users who focus on the firm. These information asymmetry reduction benefits are substantially attenuated, and in some cases non-existent, for state-owned enterprises (SOEs), who have less incentive to publicly engage with retail investors. Finally, our findings reveal that on average the marginal effects of answers are smaller than for posted questions, suggesting that while firms benefit from answering questions to lower investor integration costs, IIP activity that lowers awareness and acquisition costs is also important.
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ZHENHUA CHEN; WILLIAM J. MAYEW; WENTAO REN; PENGCHENG ZHU Do Answers to Retail Investor Questions Reduce Information Asymmetry among Investors? Evidence from Chinese Investor Interactive Platforms (2023年01月08日) https://www.cfrn.com.cn/dzqk/detail/11502.html

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