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What’s the 80-20 Rule in Jewelry Marketing?

Developed by Italian economist Vilfredo Pareto in the early 1900s, the Pareto principle, or "the 80-20 rule", states that approximately 80% of the results come from 20% of the causes or efforts. While observing land-ownership patterns in Italy, Pareto noticed that only about 20% of the population - the...

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