A decade after the financial crisis, there is a growing consensus that economics has failed and needs to go back to the drawing board. Orrell argues that it has been trying to solve the wrong problem all along. Economics sees itself as the science of scarcity. Instead, it should be the science of money (which plays a surprisingly small role in mainstream theory). And money is a substance that turns out to have a quantum nature of its own. From the author of 'Economyths'.