Interest rates are an important tool for regulating monetary policy, and they are also used to control economic growth, such as investment, inflation and unemployment. Reasonable interest rate plays an important role in the economic leverage of social credit and interest rate. Despite the exploitation of labor force, selling unqualified products is an illegal method to make profits. /Regardless of falling short for standard, some firms have falsified products with rude and coarse ingredient. What's more, they immorally and intentionally manufacture products by damaging human body. /For instance, Sanlu, Chinese dairy company, is notorious for the excessive amount of detrimental ingredients in milk instead of nutritional ones. Numerous cases of severe damage to babies have boiled the whole country into anger. The Sanlu transformed from high-profit to breakdown overnight. The success depending on the fraud on products will collapse sooner or later. In the face of market failure, coase has given the opposite answer: external-utility problems can be solved by explicitly using the market, without government intervention. And zhang wuchang is more absolute, he said that there is no so-called external utility, there is only unclear property rights. Anyway, coase brought revolutionary innovation to market concepts. He made it clear that the key to the market was not the "price mechanism" of impersonal machinery, but the power of participants in economic activity. Unlike stock investing or futures trading, forex currency trading doesn't need and contains a particular market. All trades are executed Over The Counter (OTC) through high-speed interconnected electronic networks. The banks have their own dealing rooms and many individual traders trades from other home on specific encrypted currency trading software platforms. These trading platforms are usually of two sides as online or broker-side trading platforms and direct access or trader-side trading platforms. It looks like a big box and has doors and Windows, which people call "box cars". It is named "sedan" in the catalog because it looks like the "sedan chair" of the European ladies used for travel and other occasions. Value is the core concept that defines the existence of human beings. It is the essence of human existence and development. All human emancipation behavior, namely the essential rule (humanity) for the creation of the self and to create and eventually reached for the essence of the law in order to maintain and development of a simple statement is all human practice is for maintaining and developing the essence of self, all value form from the category, cannot be separated from this category. Values in many areas have specific forms, such as social value, personal value, economic value, legal value, etc. The existence of these values is the essential nature of the category of human beings in different fields. At the same time, because there are some conceptualized maintenance and development of human thought there is no actual physical force, such value is defined separately as nominal value.