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black swans

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The Edge of Chaos Faster Than Exponential: Can You See a Crash Coming? The last essay said big cascades are built in and the trigger tells you nothing. Didier Sornette disagrees, at least about the biggest ones. He argues a bubble grows faster than exponentially toward a finite-time singularity, leaves a telltale wobble on the way up, and that this makes some crashes partly foreseeable. This is the optimistic case, and its limits. Jun 1, 2025 · 11 min