The Black Swan
Test your knowledge with 45 questions across 3 challenge tiers
Master These Concepts
Review these key terms before taking the quiz
Black Swan
A highly improbable event with three characteristics: unpredictability massive impact and retrospective explainability
The 9/11 attacks the rise of the internet and the 2008 financial crisis are examples of Black Swan events
Mediocristan
The realm where individual events do not significantly affect the total and extremes are bounded
Human height follows Mediocristan rules – no single person height dramatically affects average height
Extremistan
The realm where single observations can disproportionately impact the total and extremes are unbounded
Wealth and book sales follow Extremistan – one billionaire or bestseller dominates totals
Narrative Fallacy
The human tendency to create stories that explain random events making the past seem more predictable
After a market crash experts construct narratives explaining why it was inevitable
Ludic Fallacy
The mistake of applying the clean rules of games to the messy unpredictable real world
Casino probability models fail in real markets where the rules themselves can change
Silent Evidence
The data we do not see because failures disappear while successes remain visible
We see successful entrepreneurs but not the thousands who failed with similar approaches
Select a Quiz Tier
Complete each tier to unlock the next and earn your badges.
Fundamentals
TIER 1 • READER BADGE
Deep Dive
TIER 2 • SCHOLAR BADGE
Expert
TIER 3 • MASTER BADGE
