With advent of "dynamic inconsistence" in the 1970s, the standard selection of monetary policy again aroused people s concentration.

The policy dynamic consistency of the regulatory authority is then analyzed, and the reason that causes the policy inconsistent is pointed out.

The nature of macro-economic control power is subject to legislative power based on the empirical study of macro-economic control deeds in the field of real estate,and the dynamic consistency theory endow the macro-economic control power with particular functions,which enables the macro-economic control power to be the peculiar category .

In this paper the game theory is applied to analyze the motivation of enterprises alliance,on the basis of which is put forward a motivation model,followed by an analysis of the problems concerning policy dynamic consistency once an enterprises alliance is formed.

From the dynamic inconsistency theory perspective,this paper institutes an analytical framework of reliance interests protection mechanism in macro-economy control ®ulation,and puts forward the principle of legal responsibility allocation,the correspondent legal responsibility constitutional parts under the information cost constraint,and the e.