profit volume ratio calculation In economic terms, the benefits of holding any two currencies should be equal in the equilibrium of the foreign exchange market, which is: Ri=Rj (interest rate parity). Here, R stands for yield, and I and j represent currencies of different countries. If the benefits of holding two currencies are unequal, you will have A arbitrage: buy A kind of foreign exchange and sell B foreign exchange. Edwards and bell's point of view What the central bank can do to prevent the threat to its independence becomes more transparent. They can announce the votes of individual board members on all matters related to the policy and publish the minutes without delay. They can hold more press conferences and be less trite in explaining their policies. They can avoid debate on issues far from their task. They can admit that politicians have a right to determine the central bank's mission objectives. Not long ago, U.S. debt long positions were near historic highs. The CFTC's holdings report showed that as of Dec. 12, the 30-year U.S. debt had a net gain of 10.091 million, the highest level since last July. He added: "austerity has failed and will only continue to undermine our economy in the brexit negotiations. [R esponding to suggest continued low interest rates and bond purchases at the limiting the central bank's room for manoeuvre in the case of an economic downturn, draghi said the drop was a "the possibility of more distant than it was a year ago".