Comparing health services demand between before and after medical reform among the people with social medicine;

Objective To explore the causes and methods of social medicine overtaking situation of Guangdong Province university.

It is assumed that the interest is given,and then by making use of physical probability measure of the price process and the principle of fair premium,namely,an actuarial approach,a pricing formula of European compound option is put forward,and the pricing formula of the call option on a call option is obtained.

In this paper,assume that the interest is given,using physical probability measure of price process and the principle of fair premium——an actuarial approach,we deal with pricing formula of European option on foreign currency,and obtain pricing of European call and put option.

Reform for maintenance mechanism of toll road in China;

During the concession negotiation of toll road,one of the core problems is tariff determining and reg- ulating.

This paper expounds the problems existing in the management of our country s toll highway and the actual significance of normalizing the management of the toll highway, and puts forward some concrete measures for further normalizing the management of our country s toll highway.

The catholicity problems of second-class toll highway in Anhui Province such as large range of toll highway,high toll criteria,low charge efficiency,unreasonable arrangements of toll booths,heavy burden of debt,etc.

The influencing factors for debt risk of toll highway were systematically analyzed,as a result,the debt risk not only came from insufficient government financing,high cost of construction and maintenance and low ratio of debt repaying to incomes,but also expressway traffic volume diverging,inflexible financing methods and high management cost.