关键词: 制度, 产权, 国家, 契约

Abstract: People found the trade cost under the assumption of bounded nationality and asymmetric information of economy,and institutions came into being.We think that the institutions are a series of rules which are brought out by contract and used to define the property among people.These rules can be used to realize the resource optimal allocation.We find the path of property contract and country by analyzing the features of these three institution reasonable cores,and then we have the institution operating path.The theory of institution operation can be used to establish new institutions and improve the old ones.

Key words: institution, property, country, contract