how to get donation for non profit organization Security is very important, reduce risk is big potential! Emotional checking account is divided into two: The emotional deposits along with the withdrawals. Emotional deposits means comprehending the person, being kind and forgiving, and being true to your word. Emotional withdrawal conversely could be the complete opposite of everything I pointed out; being disrespectful, rude and hold grudges, without commitment in any way. Interest rate, in the form of expression, refers to the ratio of the amount of interest to the total amount of borrowed capital in a certain period of time.  the interest rate is the interest level per unit time of the unit currency, indicating the interest rate. Economists have been looking for a theory that can fully explain the structure and change of interest rates. Interest rates are usually controlled by the central bank of the country and administered by the federal reserve board in the United States. Today, interest rates are one of the important tools for macroeconomic regulation. 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.