meaning of economic profit 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 ancient China, the term "sedan" was used to refer to the sedan chair. When western cars entered China in large Numbers, it was the closed square cars that were popular in the west In 1934, professor rei, of the center for fluid mechanics, used model cars to measure the aerodynamic drag of various bodies in wind tunnels Mr Trump and the republicans' plan to repeal the 2010 "affordable care act" will bring 24 million americans - most of them poor or middle class, many of whom vote for him - without health care. His deregulation policy was a blatant bigotry of workers and unions. And the republican tax reform plan he endorses will overwhelmingly support multinational corporations and the top 1 percent of families, many of whom are particularly benefiting from the repeal of the estate tax. “With the government-commissioned Taylor Review noting this abuse, we’re hopeful that 2018 will be the year of action on fair pay for agency workers.” 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.