ReadGlobe · Risk & uncertainty
Surviving a world you cannot predict — margins, optionality, antifragility and tail risk.
Antifragility is the property of things that gain from disorder — they grow stronger under stress, volatility, and…
Mental model · updated 29 May 2026
Margin of safety is building a buffer between what you expect and what you can withstand — so that errors, bad luck,…
Mental model · updated 29 May 2026
A black swan, in Nassim Taleb’s sense, is a rare event that is a huge surprise, carries enormous impact, and — only…
Mental model · updated 1 Jul 2026
Optionality is having choices with limited downside and large potential upside — keeping options open so you can…
Mental model · updated 29 May 2026
The barbell strategy is combining two extremes while avoiding the middle: pairing a very safe core with a small…
Mental model · updated 29 May 2026
Written by Paulo de Vries · free to read, no sign-up