The Base Rate Fallacy: Start With How Common It Is
The quiet, bookish stranger sounds like a librarian. There are a hundred times more salespeople — so the shy ones alone outnumber every librarian in the country.
The quiet, bookish stranger sounds like a librarian. There are a hundred times more salespeople — so the shy ones alone outnumber every librarian in the country.
Holding out two weeks for a better house price is worth a fortune to you and pocket change to your agent. No dishonesty required — just a small gap between what you want and what they're paid for.
Wartime analysts mapped damage on returning bombers and proposed armouring the places full of holes. A statistician pointed out those were the survivable hits — and inverted the entire dataset.
A lily pad covering a pond on day thirty covered half of it on day twenty-nine. Nothing about its growth changed — only the base it grew from. Human intuition fails at this reliably and expensively.
The world's tallest person barely moves a room's average height. The world's wealthiest moves it by a factor of millions. Almost all statistical intuition is built for the first case.
Persistence and bold bets describe the founders who succeeded — and just as many who didn't, and aren't being interviewed. A structural view of these companies is more useful than the folklore.
Most investments return little; one or two return the entire fund. Every practice in the industry that looks strange from outside is a rational response to that distribution.