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  2. Barter - Wikipedia

    en.wikipedia.org/wiki/Barter

    The limitations of barter are often explained in terms of its inefficiencies in facilitating exchange in comparison to money. It is said that barter is 'inefficient' because: There needs to be a 'double coincidence of wants' For barter to occur between two parties, both parties need to have what the other wants.

  3. Non-monetary economy - Wikipedia

    en.wikipedia.org/wiki/Non-monetary_economy

    A moneyless economy or nonmonetary economy is a system for allocation of goods and services without payment of money. The simplest example is the family household. Other examples include barter economies, gift economies and primitive communism. Even in a monetary economy, there are a significant number of nonmonetary transactions.

  4. 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 ...

  5. How Much Money Is in the World Right Now? - AOL

    www.aol.com/much-money-world-now-193712578.html

    Money transformed the entire idea of the barter system. A medium of exchange for centuries, it keeps the world in flow, enables countries to trade, store wealth and foster friendly relationships.

  6. Medium of exchange - Wikipedia

    en.wikipedia.org/wiki/Medium_of_exchange

    Representative and fiat money most widely exist in digital form as well as physical tokens, for example coins and notes. The origin of "mediums of exchange" in human societies is assumed by economists, such as William Stanley Jevons, to have arisen in antiquity as awareness grew of the limitations of barter .

  7. Money - Wikipedia

    en.wikipedia.org/wiki/Money

    The use of commodity money is similar to barter, but a commodity money provides a simple and automatic unit of account for the commodity which is being used as money. Although some gold coins such as the Krugerrand are considered legal tender , there is no record of their face value on either side of the coin.

  8. Commodity money - Wikipedia

    en.wikipedia.org/wiki/Commodity_money

    A key feature of commodity money is that the value is directly perceived by its users, who recognize the utility or beauty of the tokens as goods in themselves. Since payment by commodity generally provides a useful good, commodity money is similar to barter, but is distinguishable from it in having a single recognized unit of exchange.

  9. Coincidence of wants - Wikipedia

    en.wikipedia.org/wiki/Coincidence_of_wants

    Besides barter, other kinds of in-kind transactions also suffer from the coincidence of wants problem in the absence of a medium of exchange. Romance, for example often relies on a double coincidence of wants. If Max likes Mallory but Mallory does not like Max, then the two cannot meaningfully exchange the benefits of romance.