| http://www.w3.org/ns/prov#value | - et unknown.) Assuming that prices do not vary, this sum total of prices fluctuates with the quantity of the circulating commodities; if the quantity of commodities remains constant, it varies with their prices, irrespective of whether such price changes are caused by a fluctuation in market prices, or through a change in the value of gold or of commodities; irrespective of whether all or only a fe
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