Commodity money as a theoretical backing for federally issued "gold certificates" to substitute for the gold. Between 1933 and 1970 (when the U.S. officially left the gold standard), one U.S. dollar was technically worth exactly 1/35 of a troy ounce (889 mg) of gold. However, actual trade in gold bullion as a precious metal within the United States was banned after 1933, with the explicit purpose of preventing the "hoarding" of private gold during an economic depression period in which maximal circulation of money was desired by influential economists. This was a fairly typical transition from commodity to representative to fiat money,
Commodity swap Commodity swap A commodity swap is a type of swap agreement whereby a floating (or market or spot) price based on an underlying commodity is traded for a fixed price over a specified period. The vast majority of commodity swaps involve oil. Many airline and rail companies enter oil commodity swap deals in order to secure lower oil costs in the long term. A commodity swap is similar to a fixed-floating interest rate swap. The difference is that in an interest rate swap, the floating leg is based on standard interest rates such as LIBOR and EURIBOR. However, in a