purpose of profitability ratios 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. These goals are ambitious, but they also remind us to do one thing in the right way. In the early 20th century, famous American economist elvin fisher developed the theory of economic gain. In its book "the nature of capital and yield", first, the concept of yield is analyzed in terms of the performance of earnings, and three different types of benefits are proposed: V6 motor His European central bank held interest rates unchanged and signaled that it would maintain its aggressive currency, despite data showing strong economic performance in the region. The fund's managing director Christine Lagarde said Christine Lagarde, in June 2016, voted to leave the European Union has an impact, the British economic growth this year and in other parts of the world economic growth. Competition refers to the economic subject in order to maintain and expand their own interests and take all sorts of behavior, the behavior of self-protection and expansion efforts in product quality, price and service advantages, varieties, etc.