"A currency serves three functions: providing a means of payment, a unit of account and a store of value. Gold may be a store of value for wealth, but it is not a means of payment. You cannot pay for your groceries with it. Nor is it a unit of account. Prices of goods and services, and of financial assets, are not denominated in gold terms."

Source : "Gold prices are heading towards $1,000" by Nouriel Roubini, www.theguardian.com. June 3, 2013.

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