I think the really telling finding is that people who had been recently taught how to solve the problem did not reach for that knowledge when faced with the actual challenge.
In Experiment 1 and later studies, we found no significant differences between participants who had been exposed to the newsvendor problem by taking the core operations class and those who had not.
Didn't have the time to read the article itself, but based on the abstract, this certainly sounds relevant for LW:
Hat tip to the BPS Resarch Digest.
ETA: Some other relevant studies from the same site, don't remember which ones have been covered here already:
Threat of terrorism boosts people's self-esteem
The "too much choice" problem isn't as straightforward as you'd think
Forget everything you thought you knew about Phineas Gage, Kitty Genovese, Little Albert, and other classic psychological tales