Bloodloch – Dinar Investor There are somewhere between six and a dozen or more different factors that may influence exchange rates, depending upon who you are talking to. The money supply or currency issued is just one of them. Investor speculation, interest rate differentials, inflation rate differentials, gross domestic product, international investments, trade deals, and other factors all may come into play. At times it may seem like such determinations are more art than raw number-crunching science, or perhaps it’s just whatever the central banks want it to be in order to achieve some global political agenda. Investopedia says, “… exchange rates are determined by numerous complex factors that often leave even the most experienced economists flummoxed… ” I couldn’t agree with them more.