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To: patron_anejo_por_favor who wrote (212847)	7/28/2009 3:45:24 AM
From: NOW	Respond to of 306849

i prefer the 100th monkey principle

To: patron_anejo_por_favor who wrote (212847)	7/28/2009 7:42:44 AM
From: Reilly Diefenbach	Respond to of 306849

en.wikipedia.org The Pareto principle (also known as the 80-20 rule,[1] the law of the vital few, and the principle of factor sparsity) states that, for many events, roughly 80% of the effects come from 20% of the causes.[2][3] Business management thinker Joseph M. Juran suggested the principle and named it after Italian economist Vilfredo Pareto, who observed that 80% of the land in Italy was owned by 20% of the population.[3] It is a common rule of thumb in business; e.g., "80% of your sales come from 20% of your clients." Mathematically, where something is shared among a sufficiently large set of participants, there must be a number k between 50 and 100 such that k% is taken by (100 - k)% of the participants. k may vary from 50 in the case of equal distribution, to nearly 100 when a tiny number of participants account for almost all of the resource. There is nothing special about the number 80% mathematically, but many real systems have k somewhere around this region of intermediate imbalance in distribution. The Pareto principle is only tangentially related to Pareto efficiency, which was also introduced by the same economist. Pareto developed both concepts in the context of the distribution of income and wealth among the population.