essential oils skin care Visual inspection is easy to find, if it is a gas pipe that breaks down to see if there is gasoline in the ground. In theoretical economics, investment means buying (and therefore producing) capital goods - not being consumed but being used in future production. Examples include building railroads, or factories, cleaning the land, or allowing yourself to go to college. Strictly speaking, investment in formula GDP= C + I + G + NX is also part of gross domestic product. In that respect, the function of investment is divided into non-residential investments (such as factories, machinery, etc.) and residential investment (new homes). The correlation between I = (Y, I) is known to have a close relationship with income and interest rates. Higher incomes would boost higher investment, but higher interest rates would discourage investment because it would be more expensive to borrow. Even if companies choose to use their own funds to invest, interest rates represent the opportunity cost of investing in those funds rather than the interest that will lend out. 1. The amount of the shares, the capital of the company is divided into shares, and the amount of each share is the same, that is, the shares are a reflection of certain value and can be measured in currency; To shape these politicians' views, they can better explain why co-operation with fiscal authorities and foreign central Banks is in the public interest. They can release more detailed financial accounts, including individual security deals and counterparties. Therefore, several factors make Long Fin a good target for short-term speculation in the market. Newly listed, floating stock plate small, artificial intelligence and blockchain concept. Under the theoretical framework of the theory, the theory of commodity market equilibrium and the monetary market equilibrium of Keynesian theory are unified. Marx's theory of interest rate decisions from the perspective of the source and essence of interest, taking into account the institutional factors in the role of interest rate decisions of interest theory, its theoretical core is the interest rate is determined by the average profit margin. Marx believed that under capitalism, interest is a part of profit and a form of conversion of surplus value.