The determination of this ratio mainly depends on the supply and demand relationship between the two sides and the competition. In general, the interest rate falls when the supply exceeds demand. Interest rates rise when demand exceeds supply. In addition, law, habit and so on also have a larger role. Marx's theory is of guiding significance to explain the question of interest rate decision under socialized production. Refrigerant season price performance is good, overall profit is good 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. Every person wish to view your employees, children’s or external user’s keystroke activities on your own personal and official computer. Website provides solution for monitoring unauthorized user activity on your own computer in minimum price. Advance and Standard professional keylogger application has user-friendly features for tracing several types of activities including typed keystrokes, visited website url, email conversation, voice chat conversation, cut, copy and paste activity, adjustments to excel sheet, audio/video chatting details, online google search (Google, Yahoo, MSN) and new group account in easiest and simplest manner. Award winning PC monitoring program easily captures entire screenshots periodically so user are able to see what is going on the computer system in your absence. Powerful key logger software has extra ordinary features to always work in hidden mode and will not visible on desktop, add and remove option, cp, even installation path so users can not easily detect it.