low profit margin Moment of torque 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. Of course, in addition to the interest rate cut, yu 'ebao has also lowered the limit of personal accounts, from 1 million yuan to 250,000 yuan, to 100 thousand yuan. In recent days, it has been announced that yu 'ebao's one-day purchase quota will be adjusted to 20,000 yuan, all of which are aimed at reducing risks. Diversification of securities, the establishment of a scientific and effective portfolio of securities; The important thing to consider when being sued by charge card company or junk debt buyers is that if they don't have proof that could otherwise prove the debt is yours, they don't use a case. For junk debt buyers, you have luck since these agencies will not have the essential documents that will prove you have the debt, as being a signed contract between you and the original creditor, since these documents will never be released through the original creditor. According to the adb's report, the global trade finance gap was as high as $1.5 trillion in 2016, while Asia accounted for 40 per cent of the gap. What the company wants to do is make up for the gap in trade finance by means of financial technology.