The authors point out that,in the industry of security communication network,because of the trait of Network effect in securities communication network,the competition of technology standard usually result in the market structure of "winner-take-all",if the enterprise adopts rational and effective competition strategy will play an important role.

This paper expounds the concept, scope, function and service features of securities information, and advances the scheme for library to establish the securities information service platform.

This article introduces the status quo, significance and the problems lied in the access to public security information resource in China, and puts forward some countermeasures to promote the access to public security information resource in our country.

Government Credit s Impacts on Commercial Credit, Bank Credit and Security Credit of Corporation;

Nowadays the security market attaches more and more importance to voluntary disclosure and credit construction,so a study of correlation between voluntary disclosure and security credit must be helpful and important.

Apart from the commercial credit and bank credit involved, such a credit contains also the security credit of the shareholders formed relative to the investment of the company.