After more than 20 years of gradual reform in the field of private consumer goods, China s economic reform has now come to a new stage of reform in the business of public consumer goods.

The characteristics of public consumer goods (PCG) determine their management types:public management or private management.

As an important component of government expenditure, public consumption expenditure, together with economic growth, has been one of the hot issues drawing attention and discussion from economists.

Social rights in a sense are a concept,and public consumption is practice of the concept.

On the Charges of Library from the Angle of Public goods;

News Is "Public Goods":An Analysis from Economics;

Strategies for the Provision of Public Goods in Rural China——A Comparative Analysis;

Based on analyzed the basic concepts and conclusions of client-agent;theory, according to Aspremont model,it is discussed how to encourage agent through efficiency knowledge share in R&D activities, in which knowledge is as a public good.

This paper tries to explain the nature of public goods.

According to the views of most theory researchers, social capital should consist of trust, regulation and network together with its characteristics of "jointness of supply" and "the impossibility of exclusion" as a public good.

Because of the "public commodity" feature,the shareholders lack supervision of the managers,which makes shareholders follow the successful ones.

There is shortcoming in the traditional definition of public property.

Under the circumstances of market economy, education as a kind of public property can be transformed to enter the market and operated according to the objective law of the market.

Public property has strong externality, therefore government is its main provider.