What this lesson is about
For every crash that actually happened, there were warnings about crashes that never came. And financial history, as commonly told, quietly forgets almost all of them.
Part 1 of 2
For every historical crash that actually happened, there were countless warnings and predictions about crashes that never occurred. Financial history often forgets most of these. Survivorship bias is at play here. It shapes our memory of financial forecasting. We tend to remember the predictions that were right. Those authors become celebrated figures. But the many predictions that were wrong fade away, creating a skewed view of how often accurate crisis predictions happen.
This platform's case study on the 2007 mortgage crisis touches on a related issue. It points out that being early and being wrong can look the same for a long time. Just having the right thesis isn’t enough. You need to survive long enough to prove you were right. If investors lose patience and pull out, you could miss the chance to profit. A specific fund structure is needed to withstand looking wrong (and losing money on paper) for over a year. Many people spotted the same early warning signs as the case study's protagonist. However, they didn’t benefit because they couldn’t wait it out. History remembers the few who predicted correctly and survived long enough to profit. The larger group that saw the signs but couldn't hold on? They fade from memory.
Quick check
What is "survivorship bias," as a general concept, applied here specifically to financial history?
Survivorship bias, applied to financial history and forecasting specifically, describes exactly this selective memory - remembering the predictions that came true while forgetting the many that didn't.
Part 2 of 2
Quick check
Why does this platform's own existing case study on the 2007 mortgage crisis specifically acknowledge that most people who spotted early warning signs of that crisis weren't positioned to profit from being right?
This case study's own explicit lesson - that being early and being wrong can look identical, and that surviving long enough to be proven right requires more than just a correct thesis - is directly relevant to why we tend to remember only the handful who both predicted AND profited, not the larger group who predicted correctly but couldn't survive to see it pay off.
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