This reminds me a little of a paper I read after the subprime crisis (possibly by Darrel Duffie but I may misremember) talking about how the quants had modeled risk on the securities - where they were largely physics PhDs or similar who understood everything quant-related, but did not understand how human behavior would affect things once house prices began falling, which meant the market reacted totally differently from how they had modeled it. Some insight from a psychologist or behavioral economist would have been very useful … (of course just one of many things that caused/exacerbated the crisis, but to the same point that you need more than just technical understanding)
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