Based on the conclusion, the factors affecting cooperating game equilibrium in repeated game are analyzed, and the reasons of credit deficiency are revealed.

Through analyzing various phenomena and causes of the credit deficiency such as the light legal responsibility, the weak social supervision and restraint, and the local protectionism, etc.

So credit deficiency problem is attracting more and more attention of society and academe.

Analysis on credit loss from diversified viewpoint of modern economics;

A study of enterprise credit loss in China;

New methods to manage credit loss;

Facing the grim employment situation,many university students are lack of honesty in the process of employment,which has a badly effect on students,schools and employers.

The college students lack of honesty in hunting for a job has become one of the problems that attract wide attention from the society.

lack of honesty is serious in private enterprise.

Cause and countermeasure of the reputation lapse of private enterprise in our country;

There are still many fac- tors restricting healthy the development of the private enterprise,of which the most primary factor is reputation lapse.

Directed at students lack of honesty and credit, this paper puts forward that it is urgent to carry out and strengthen honesty and credit education.

Government s lack of honesty and credit is an issue that is worth studying and probing seriously.

Now honesty and credit are the focus of peoples attention,lack of honesty and credit is a significant phenomenon in present social life.