Economic profits in perfect competition and monopolistic competition market has a special purpose, a positive profit can attract more enterprises to enter the market, increasing competition and push the market equilibrium price low, exclude some enterprises lack of competitiveness in the market, to achieve long-term equilibrium; On the contrary, negative economic profit can eliminate some of the original enterprises in the market, because the supply is reduced, the market equilibrium price will be pushed up, and the long-term equilibrium will be achieved. The result of the two cases is that economic profits disappear from each manufacturer and the manufacturer's total income is at the lowest point of average cost. In 2018, we need: 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; relied on spending cuts to reduce the deficit, adding that it should be seen as part of further measures. It can be seen that shares and shares are the relationship between form and content and cannot be confused. In addition, there are several in other cases if you want to loan money from your licensed money lender. For instance, if you suffer liver cancer and you need money to get the surgery, the top solution is to seek assistance from the lenders. These lenders are in reality dedicated to providing you with various loan packages, like unsecured loan, payday loan, business loan. There is no doubt that a money loan company has become popular nowadays. When you want to purchase your medical urgencies, they are honored to assist you. To read more Investment in securities provides an important channel for the society to raise funds, which is an effective way for enterprises to raise direct financing.