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 pool to the Securities and Exchange Commission, regulate commodity pools. Many hedge funds are commodity pools. Funds that trade in commodities, which include many of the largest funds engaged in macro-strategies, are registered with the Commodity Futures Trading Commission as commodity pools and as commodity trading advisors (CTAs). In an address to the Securities Industry Association in 2004, Sharon Brown-Hruska, acting director of the CFTC, said that 65 of the top 100 funds in 2003 were commodity pools, and 50 out of the 100 largest hedge funds were CTAs in addition to being commodity pools. Commodity pool A commodity pool is