Based on social capital theory,this paper introduces the role mechanism model of high involvement work system,social network and corporation performance.

We analyze reasons of universal trust s flaw from social network,public participation and social norm and so on.

Based on a questionnaire survey, this paper analyzes certain characteristics of the social networks of Beijing s urban poor families, such as scope, relationship make- up, and structural characteristics of the network, as well as contact frequency and spatial distance between network members and family members.

Because of the existence of mid-small enterprises cluster s social relationships network,and goods both buying and selling parties information asymmetry,"lemons market" may appear in cluster.

The villagers do worry mostly about the decrease of the new house rent income and the hard reconstruction of the social relation network after the migration.

Under the circumstance of rapid urbanization , social relation network and relation resource are changing rapidly: The attribute of social relation network is changed; The occupier of relation resource is varied; an.

The existence of social relationship networks of industrial cluster,and information asymmetry between the seller and the buyer may lead to "lemons market" in cluster.

The real nature of corporate governance is explained as a coordination mechanism on networks relationships,and the corporate should set up the networks relationships of value,social networks relationships and customer networks relationships,and take governance a.

For IT enterprises, it has become a common concern that how to use all kinds of social networks relationship, value networks relationship, customer networks relationship, and knowledge networks relationship rationally to establish a better social image, access more social resources, reduce business transaction costs, and improve governance efficiency.