olive oil testosterone 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. The new Surface Pro(2017) accounts for 9.2%, roughly the total of the Surface Book(7.5%) and the Surface Laptop (2.0%). The independent of interest is of positive significance to show the active role of the fund users in the reproduction process. Generally speaking, the interest rate varies according to the term of measurement, indicating that the method has annual interest rate, monthly interest rate and daily interest rate. The market believes the next rate increase could happen in May 2018, as officials take action to prevent a record low unemployment and wage inflation leading to inflation.