The Rule of the Vital Few

pareto’s principle [The Rule of the Vital Few] The 80-20 rule, pareto’s law, or pareto theory.. The Pareto Principle, or ’80-20 Rule’ (among other variant names) is surely one of the simplest and most powerful management tools on the planet. It’s a remarkably quick easy way to assess, understand, and optimise virtually any situation involving distribution or usage of some …