From the perspectives of market,market mechanism and market system,this paper summarized the development constraints of Guangxi Beibu Gulf Economic Zone venture capital industry,and held that market deficiency was the root of the lag development,and the imperfect market system was the external inducement.

Based on analyzing the motive mechanism of financial institutions lending to the small-and-medium enterprises (SMEs), and the market deficiency, the author suggests that macro-regulations should be focus on improving market efficiency.

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;

An analysis of market exchange,credit norm,and credit lack;

In real life, a crisis about tourism credit has showed, especially credit lack of tourism enter-prises has caused a lot of appeal and thus restricting tourism development of our country healthy.

Research on the intellectual property risk induced by lack of credit in cooperative innovation;

On Lack of Credit of Local Governments in the Period of Transformation;