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  2. Barter - Wikipedia

    en.wikipedia.org/wiki/Barter

    For barter to occur between two parties, both parties need to have what the other wants. There is no common measure of value/ No Standard Unit of Account In a monetary economy, money plays the role of a measure of the value of all goods, so their values can be assessed against each other; this role may be absent in a barter economy.

  3. Medium of exchange - Wikipedia

    en.wikipedia.org/wiki/Medium_of_exchange

    The difference between the two functions becomes obvious when one considers the fact that coins were very often 'shaved.' Precious metal was removed from them, leaving them still useful as an identifiable coin in the marketplace, for a certain number of units in trade, but which no longer had the quantity of metal supplied by the coin's minter.

  4. Currency - Wikipedia

    en.wikipedia.org/wiki/Currency

    A currency [a] is a standardization of money in any form, in use or circulation as a medium of exchange, for example banknotes and coins. [1] [2] A more general definition is that a currency is a system of money in common use within a specific environment over time, especially for people in a nation state. [3]

  5. Countertrade - Wikipedia

    en.wikipedia.org/wiki/Countertrade

    Countertrade also occurs when countries lack sufficient hard currency, or when other types of market trade are impossible.. In 2000, India and Iraq agreed on an "oil for wheat and rice" barter deal, subject to United Nations approval under Article 50 of the UN Persian Gulf War sanctions, that would facilitate 300,000 barrels of oil delivered daily to India at a price of $6.85 a barrel while ...

  6. Commodity money - Wikipedia

    en.wikipedia.org/wiki/Commodity_money

    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.

  7. Reciprocity (cultural anthropology) - Wikipedia

    en.wikipedia.org/wiki/Reciprocity_(cultural...

    When the exchange is immediate, as in barter, it does not create a social relationship. When the exchange is delayed, it creates both a relationship as well as an obligation for a return (i.e. debt). Hence, some forms of reciprocity can establish a hierarchy if the debt is not repaid. The failure to make a return may end a relationship between ...

  8. Glossary of economics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_economics

    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 ...

  9. Representative money - Wikipedia

    en.wikipedia.org/wiki/Representative_money

    U.S. $50 gold certificate. Representative money or receipt money is any medium of exchange, physical or digital, that represents something of value, but has little or no value of its own (intrinsic value).