Making use of Martingale method and Girsanov theorem, pricing major medicalexpenseinsurance option.
将高额医疗费用保险视为一种特殊的欧式看涨期权，给出了期权的定价。
2
Whether we should use subrogation tin medicalexpenseinsurance? Many scholars have different opinions on this topic.
就医疗费用保险中保险人是否具有代位求偿权的问题，不同的学者之间存在着很大的意见分歧。
3
The increase of medicalexpense in China is too fast. The reasons are related with marketing system of medicine, equipment management system, law, insurance and customs.