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  2. History of money - Wikipedia

    en.wikipedia.org/wiki/History_of_money

    t. e. The history of money is the development over time of systems for the exchange, storage, and measurement of wealth. Money is a means of fulfilling these functions indirectly and in general rather than directly, as with barter. Money may take a physical form as in coins and notes, or may exist as a written or electronic account.

  3. Medium of exchange - Wikipedia

    en.wikipedia.org/wiki/Medium_of_exchange

    e. In economics, a medium of exchange is any item that is widely acceptable in exchange for goods and services. [1] In modern economies, the most commonly used medium of exchange is currency. Most forms of money are categorised as mediums of exchange, including commodity money, representative money, cryptocurrency, and most commonly fiat money.

  4. Exchange rate - Wikipedia

    en.wikipedia.org/wiki/Exchange_rate

    The spot exchange rate is the current exchange rate, while the forward exchange rate is an exchange rate that is quoted and traded today but for delivery and payment on a specific future date. In the retail currency exchange market, different buying and selling rates will be quoted by money dealers.

  5. Trade - Wikipedia

    en.wikipedia.org/wiki/Trade

    Business and economics portal. v. t. e. Trade involves the transfer of goods and services from one person or entity to another, often in exchange for money. Economists refer to a system or network that allows trade as a market. Traders generally negotiate through a medium of credit or exchange, such as money.

  6. Foreign exchange market - Wikipedia

    en.wikipedia.org/wiki/Foreign_exchange_market

    The foreign exchange market (forex, FX (pronounced "fix"), or currency market) is a global decentralized or over-the-counter (OTC) market for the trading of currencies. This market determines foreign exchange rates for every currency. It includes all aspects of buying, selling and exchanging currencies at current or determined prices.

  7. Columbian exchange - Wikipedia

    en.wikipedia.org/wiki/Columbian_exchange

    The Columbian exchange, also known as the Columbian interchange, was the widespread transfer of plants, animals, precious metals, commodities, culture, human populations, technology, diseases, and ideas between the New World (the Americas) in the Western Hemisphere, and the Old World (Afro-Eurasia) in the Eastern Hemisphere, in the late 15th and following centuries. [1]

  8. International monetary system - Wikipedia

    en.wikipedia.org/wiki/International_monetary_system

    International monetary system. An international monetary system is a set of internationally agreed rules, conventions and supporting institutions that facilitate international trade, cross border investment and generally the reallocation of capital between states that have different currencies. [1] It should provide means of payment acceptable ...

  9. Plasmapheresis: Definition and Patient Education - Healthline

    www.healthline.com/health/plasmapheresis

    A machine can be used to remove the affected plasma and replace it with good plasma or a plasma substitute. This is also known as plasma exchange. The process is similar to kidney dialysis ...