Mathematics and applications of risk management in e-commerce

Risk management mathematics and applications in E-commerce have four periods: plan, value risk, manage risk, analysis and improve. The plan period is the preparative time. Value at Risk is the maximum loss not exceeded with a given probability defined as the confidence level, over a given period of time. Manage risk control the risk in order to reduce the loss and the cost. Authentication and analysis of risk case would help to improve the risk manage. Vale risk management would help get CIO make risk management investment more efficiency.