The 80/20 Survival Rule

My 80/20 Survival Rule is based on Pareto’s Principle. The Pareto principle (also known as the 80/20 rule, the law of the vital few, or the principle of factor sparsity) states that, for many events, roughly 80% of the effects come from 20% of the causes. The principle was developed based on the work of Italian economist Vilfredo Pareto.  He noted in a …

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