并列题名：Information disclosure, insider trading and stock price crash risk Information disclosure, insider trading and stock price crash risk 并列题名：Information disclosure and trading structure in capital market 并列题名：IPO information disclosure and investor protection Information disclosure and trading structure in capital market 并列题名：Risk information disclosure of the hedging and investors' judgments 并列题名：Causes and consequences of stock price crash risk Risk information disclosure of the hedging and investors' judgments 并列题名：Agency problem and stock price crash risk 并列题名：Information disclosure quality, capital regulation and commercial banks' risk-taking