Part 4

Don’t Carry The Lehman Hammer- Avoid Cognitive Bias

“I suppose it is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail.” -Abraham Maslow

“What I mean by that is we have to avoid cognitive bias. There are many forms of it. We are biologically wired to it. The more you recognize that you have it, the more likely you are not to have it.” – Tom Lee

 One of the main ‘hammers’ people use in analysis is what happened to Lehman Brothers itself. We tend to take mental shortcuts and our brai...

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Tom Lee's Seven Principles of Evidence-Based Research
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