Historical costs differ from current values Western economists further point out that the main factor that leads to the difference between trading costs in markets and businesses is the incompleteness of information. Because of the incompleteness of the information. Any party of a contract will be trying to collect, information and access to what they didn't have to monitor each other's behavior, and try to constraints, and afterwards to punish in advance of each other's default behavior and so on. All these practices produce transaction costs. As a result of these practices in the market and the enterprise can take different forms, so the corresponding transaction costs is not the same, in particular, under the condition of asymmetric information, in the process of market transactions, transaction cost, as a result of these practices are often very high. Therefore, through the organizational form of enterprises, some market transactions can be internalized to eliminate or reduce the high transaction costs generated by some market exchanges. Of course, for ordinary people, the yield is 3.9% or 4%, not much. But for yu 'e bao, which has 1.56 trillion yuan, the difference is significant. Owing to the property’s location in heart of the Yorkshire Dales, it was also vital that the new windows and patio doors offered superior thermal efficiency and acoustic performance as well as ease of operation and an attractive appearance. We should improve the market supervision system of administrative law enforcement, industry self-discipline, public opinion supervision and mass participation. Finally, the regulatory layer began to conduct financial management of the Internet platform, intending to return money funds to the source of low risk, low yield and high liquidity.