We identify the causal effects of short-selling bans on stock prices using regression discontinuity (RD). We exploit three threshold-based rules that determine a stock's short-selling eligibility on the Hong Kong Stock Exchange. Short-selling bans affect short-selling volume at all thresholds....

We use the multi-period DID (difference-in-differences) model and Chinese A-share listed companies from 2009 to 2019 to analyze the relation between the capital market opening and insider trading profitability. We find that capital market opening can significantly inhibit insider trading...