Research on credit risk models in China's financial market Research on expectation management in China's financial market 并列题名：Research on expectation management in China's financial market Research on accrual anomaly in china's capital market Research on exchange rate risk in China's capital market Research on taxation of financial market Research on asset pricing theory in developing financial markets Research on T+1 trading mechanism in China's capital market Research on key legal issues of China's capital market Research on the prevention of China's financial risk