Study on the risk and risk-control of OTC financial derivatives 并列题名：Study on the risk and risk-control of OTC financial derivatives Study on international regulation of financial derivatives Internal control over financial derivatives 并列题名：Internal control over financial derivatives Research on legal system of investment risk control of financial derivatives Study on the price fluctuation in petroleum financial derivative marke 并列题名：Study on international regulation of financial derivatives Research on legal regulation of financial derivatives uses and abuses of financial derivatives