QT:{{”
But on a closer look finance bears a striking resemblance to the quantum world. A beam of
light might seem continuous, but is in fact a stream of discrete packets of energy called photons. Cash flows come in similarly distinct chunks. Like the position of a particle, the true price of an asset is unknowable without making a measurement—a transaction—that in turn changes it. In both fields uncertainty, or risk, is best understood not as a peripheral source of error, but as the fundamental feature of the system.
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Like this quote: light might seem continuous, but is in fact a stream of discrete…photons. Cash flows come in similarly distinct chunks. Like the position of a particle, the true price of an asset is unknowable without making a measurement—a transaction—that in turn changes it
https://www.economist.com/finance-and-economics/2021/11/06/a-quantum-walk-down-wall-street
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