Writing in The New York Times in 2004,economist Hal R.Varian asserted that dollars are valuable as a result of

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In the article, Hal R. Varian explains that the value of dollars comes from "network effects," which means that the more people who use dollars, the more valuable they become. This is because dollars are widely accepted for transactions, making them more useful than other currencies.

Writing in the New York Times in 2004,economist Hal R