with regard to economics, the standard postulating that eighty percent of the wealth in any culture will be owned by twenty percent of the populace. 2. more commonly, the standard which postulates that eighty percent of any chosen output is generated by twenty percent of input. Commonly referred to as 80:20 rule.

PARETO PRINCIPLE 1: “Many would argue that the Pareto Principle’s 80/20 rule is quite under-rated and that the percentage is closer to 99/1.”
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