The Macroeconomic has referred to prices levels, currency inflation, the gross domestic product, the rate of economy growth and interest rate. All of these factors could drive the market economy due to the macroeconomic could predict and monitor the development trend of economy in the future.

The rate of interest plays a role as a portion of the amount lend, and the lender could delay borrower to make some consumption so as to get some returns from the borrower. The rate of interest actually could be calculated as the percentage of the interest and principle during the period of one year. The interest rate usually could monitor the investment, inflation and the rare of unemployment so that the growth of economy has been influenced. For the financial public of government, the falling interest rate suggests that there is a more stronger and positive economy phenomenon. Due to more and more increased borrowers stimulate the needs and consumption, the commodities and services could be purchased and consumed in a short time, such as the business man need a large amount of capitals for keeping the company afloat while being in a dilemma.
The loan could also be a tool to adjust the economy of market in the macroeconomic field. Once lent the money out, the organization or entity could get the interest rate. The rate of interest of lender could be changed up and down, which readjust the asset between lender and borrower. It means that the lender could help you to get risk of the financial crisis but put the deposit asset into the bank account of borrower. If you fail to pay the original loan amount in accordance with the regulation of government and lender. The assets or properties will be recalled by bank. The bank will obtain some profits by means of allocating the differences of capital asset.

On the other hand, the raising the interest rate from central bank aims to decrease the fast rate of economic growth and inflation. For the current national situation, the United States of America probably faced the challenge of suppressing interest rate pressure. It is good to the improvement and development of the economy condition in the global world. The import trade business could purchase some high quality materials and goods with much cheaper and reasonable price in USA.
The gross domestic of product in the macroeconomic filed also shows the income level of people. It is not difficult to understand that higher GDP could promote the industrial production due to the higher demand and consumption. Once boosting the industrial production, more and more undergraduates will get the employment opportunities to activate the production of different industries in the talent market. if there are many uncertain factors in the economy prospect, the less investors could put much money into the market for preventing more loss. We could find that low GPD growth rate could lead to the bad consumption, it will be dangerous for the overall economy trend.
