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The Australian dollar (sign: $; code: AUD; also abbreviated A$ or sometimes AU$ to distinguish it from other dollar-denominated currencies; [2] [3] and also referred to as the dollar or Aussie dollar) is the official currency and legal tender of Australia, including all of its external territories, and three independent sovereign Pacific Island states: Kiribati, Nauru, and Tuvalu.
When Australia was part of the fixed-exchange sterling area, the exchange rate of the Australian dollar was fixed to the pound sterling at a rate of A$1 = 8 U.K. shillings (A$2.50 = UK£1). In 1967, Australia effectively left the sterling area, when the pound sterling was devalued against the US dollar and the Australian dollar did not follow.
However, its position as a reserve currency damages American exporters because this increases the value of the United States dollar. [4] [5] The United States dollar is also "standard" in international commodity markets. [1] In the phenomenon known as 'dollarization', the U.S. dollar has been adopted as the official currency of several other ...
Currency substitution is the use of a foreign currency in parallel to or instead of a domestic currency. [1]Currency substitution can be full or partial. Full currency substitution can occur after a major economic crisis, such as in Ecuador, El Salvador, and Zimbabwe.
The international dollar (int'l dollar or intl dollar, symbols Int'l$., Intl$., Int$), also known as Geary–Khamis dollar (symbols G–K$ or GK$), is a hypothetical unit of currency that has the same purchasing power parity that the U.S. dollar had in the United States at a given point in time.
For example, the purchasing power of the US dollar relative to that of the euro is the dollar price of a euro (dollars per euro) times the euro price of one unit of the market basket (euros/goods unit) divided by the dollar price of the market basket (dollars per goods unit), and hence is dimensionless. This is the exchange rate (expressed as ...
The United States dollar (symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.
The G10 currencies are ten of the most heavily traded currencies in the world, which are also ten of the world's most liquid currencies. Traders regularly buy and sell them in an open market with minimal impact on their own international exchange rates.