Some currencies are traded in the currency futures' market as commodities. How many are traded on the Chicago Mercantile Exchange? a. sixteen b. eight C. twelve d. six As a theory of exchange rate determination, the Fisher effect a. b. links the forward exchange rate of a foreign currency to its spot rate. holds that exchange rates should reflect the price differences between each and every product between countries. C. observes that a country's nominal interest rate is made up of the inflation rate and the real interest that borrowers pay. d. notes that exchange rates cannot be relied upon since they are unpredictable.