In the world of negotiation, a black swan is a term meaning an unknown, unseen factor at work behind the scenes. A black swan is something like a hidden corporate history, an owner’s secret belief, an unknown need that drives the negotiator. In current events, it’s typically an unexpected circumstance or a catastrophe that radically changes everything going forward. People have black swans too—a person’s black swan might be a secret burning desire, or a trauma that drives them. Understanding a person’s black swan gives you insight into why they do the things they do, and lets you predict what
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