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,
Simple commodity production amalgamated, in order to become tradeable assets in the process of capital accumulation. The ideology of the rising bourgeoisie typically emphasized the benefits of privately owned property for the purpose of wealth creation and industriousness. Marx refers to this process as the primitive accumulation of capital, a process which continues particularly in developing countries to this day. Typically, previously independent producers on the land are proletarianised and migrate to the urban centres, in search of work from an employer. Simple commodity production nevertheless continues to occur on a large scale in the world economy, particularly in peasant production. It also