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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. Management consultant Joseph M. Juran suggested the principle and named it after Italian economist Vilfredo Pareto, who noted the 80/20 connection while at the University of Lausanne in 1896, as published in his first work, Cours d'économie politique. Essentially, Pareto showed that approximately 80% of the land in Italy was owned by 20% of the population.
It is an axiom of business management that "80% of sales come from 20% of clients". Richard Koch authored the book, The 80/20 Principle, which illustrated some practical applications of the Pareto principle in business management and life.Mathematically, the 80/20 rule is roughly followed by a power law distribution (also known as a Pareto distribution) for a particular set of parameters, and many natural phenomena have been shown empirically to exhibit such a distribution.The Pareto principle is only tangentially related to Pareto efficiency. Pareto developed both concepts in the context of the distribution of income and wealth among the population.

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    80% lower receivers in Oregon?

    Hey ya'll, Before I start calling every shop in Oregon, does anyone know of any shops that sell AR-15 80% lowers? I know there are a million places online that I can buy them, but I was hoping to buy local if possible. Thanks in advance, Clint
  2. E

    80% Lower Choices

    So I have bought the jig and have yet to buy any 80% lowers. And I am wondering what different lowers some of you may have worked with. I am looking for some input from people that may have workec with a couple different ones and what they have found out on the different lowers. Or even if you...
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