This paper demonstrates that if the credit culture of the public product does not have a ownership of exclusiveness,the credit of the whole society will be explo ited excessively.

• 从信用文化缺失这个方面论证作为公共品的信用文化,如果没有一个排他性的所有权,整个社会的信用将被过度使用,从而形成整个社会的诚信丧失。