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Metallism is the economic principle that the value of money derives from the purchasing power of the commodity upon which it is based. The currency in a metallist monetary system may be made from the commodity itself (commodity money) or it may use tokens (such as national banknotes) redeemable in that commodity.
The metallic mean (also metallic ratio, metallic constant, or noble mean [1]) of a natural number n is a positive real number, denoted here , that satisfies the following equivalent characterizations: the unique positive real number such that = +
If the token money is metallic it is commonly made out of cheaper metals such as copper and nickel. [11] [12] Token money is also money whose face value exceeds its cost of production, i.e. the intrinsic value is lower than the extrinsic value. This means that the actual worth of a note or coin is much less than what it is used for.
The city-states of Sumer developed a trade and market economy based originally on the commodity money of the Shekel, which was a certain weight measure of barley, while the Babylonians and their city-state neighbors later developed the earliest system of economics using a metric of various commodities, that was fixed in a legal code. [9]
Also called resource cost advantage. The ability of a party (whether an individual, firm, or country) to produce a greater quantity of a good, product, or service than competitors using the same amount of resources. absorption The total demand for all final marketed goods and services by all economic agents resident in an economy, regardless of the origin of the goods and services themselves ...
Bimetallism, [a] also known as the bimetallic standard, is a monetary standard in which the value of the monetary unit is defined as equivalent to certain quantities of two metals, typically gold and silver, creating a fixed rate of exchange between them.
Although aluminium is the third most abundant element and the most abundant metal in the Earth's crust, it was at first found to be exceedingly difficult to extract the metal from its various non-metallic ores. The great expense of refining the metal made the small available quantity of pure aluminium more valuable than gold. [16]
A metallic glass (also known as an amorphous or glassy metal) is a solid metallic material, usually an alloy, with a disordered atomic-scale structure. Most pure and alloyed metals, in their solid state, have atoms arranged in a highly ordered crystalline structure.