Exchange rate

Exchange rate
What is the value of currency to another, for example: $ A may be worth 73 U.S. cents or 70 yen. Currencies traded freely on currency markets there is room rate (application of trades settled "place", ie two working days hence) and forward rate. Countries can determine their exchange rates in different ways: a floating exchange rate system where the currency finds its own level in the market, for crawling or flexible peg system which combines the officially fixed rate and frequent small adjustments which in theory work against building speculation about the revaluation or devaluation, the fixed exchange rate system where it is placed on the value of currency by the government and / or the central bank.