Commodity money coins. Commodity money Commodity money is money whose value comes from a commodity of which it is made. Commodity money consists of objects that have value in themselves (intrinsic value) as well as value in their use as money. Examples of commodities that have been used as mediums of exchange include gold, silver, copper, salt, peppercorns, tea, large stones (such as Rai stones), decorated belts, shells, alcohol, cigarettes, cannabis, silk, candy, nails, cocoa beans, cowries and barley. These items were sometimes used in a metric of perceived value in conjunction to one another, in various commodity valuation or price system
Price of oil expected global economic growth." In particular, political events can have a strong influence on the oil price. Historical examples include OPEC’s 1973 embargo in reaction to the Yom Kippur War and the 1979 Iranian Revolution. Financial analysts and academics have had very few tools to study such political events compared to what is available on economic aspects of oil price formation. The PRIX index was developed in attempt to fill this gap with a metric on political developments and corresponding export trends from world’s 20 largest oil exporters. The supply of oil is dependent on geological discovery, the legal and