It also studies the objective function of principal-agents problem under information asymmetry between government sector and private sector , and analyses game theories of incentive mechanism question for public-private partnership.

A first case in China in which a tramp s right is protected caused concerns among many people,when we argue if we should protect a tramp s right,and how to do it,we also question the civil administration department s plaintiff qualification at the same time.

Based on the meaning presented by transmissive indirect economic effect and obtainable indirect economic effect, the drive effect and the propel effect of each department on national economy are studied, and a classification index which classifies the effect of each department of national economy into variant types is given.