➡️ Click here to see how much gold 1 trillion dollars can buy in this interactive story

This article is republished from The Conversation, a nonprofit, independent news organization bringing you facts and trustworthy analysis to help you make sense of our complex world. It was written by: Carl Rhodes, University of Technology Sydney

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Carl Rhodes does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.