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PhilGoetz comments on "Risk" means surprise - LessWrong
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In the context of financial markets, risk = variance from the mean (often measured using the standard deviation). My finance professor emphasized that although in everyday speech "risk" refers only to bad things, in finance we talk of both downside and upside risk.
So "risk" really does mean surprise to them. Do you think this impairs their ability to reason about risk? E.g., would they try to minimize their risk because that's a good thing, for the ordinary definition of risk, but then actually minimize their variance? Do they talk to clients using the word "risk", and being aware on one level that they mean something different, yet not explain the difference?