# 80/20 rule

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## 80/20 rule

A widely felt conviction that there is an inherent 80/20 relationship between cause and effect. Also called the "Pareto principle" and the "law of the vital few." For example, in a software system, 80% of the errors are caused by 20% of the code. Other examples are 20% of the features in a product are used 80% of the time, and 80% of revenue comes from 20% of the customers.
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This is what is known as the Pareto Principle or the 80/20 Rule.
The Pareto principle, also known as the 80/20 rule, is a theory maintaining that 80 percent of the output from a given situation or system is determined by 20 percent of the input.
I've adapted this from the Pareto principle, the idea that 80 percent of your results come from 20 percent of your input.
Apply the Pareto Principle (80/20 rule) for buying currency
Perhaps if we think about their reductionism, we can understand how the Pareto principle could apply to what we do.
3) The Pareto principle (also known as "the 80/20 rule") is traceable to the work of Italian economist, Vilfredo Pareto.
Recently I came across 3 books that amplified or built on the Pareto Principle.
This 80-20 rule, known as the Pareto principle, is alive and kicking in the region.
The opposite of the formula is equally true since the Pareto Principle was "proven" using statistical analysis with a foundation in economics.
You may not know it by name, but I'm sure you've heard of the Pareto principle.
The Pareto Principle (also known as the 80/20 rule) tells us that 80 percent of an observed effect comes from 20 percent of the underlying causal factors.
The home country principle is the only principle that is compatible with the continued existence of the welfare state, and only this principle ensures that immigration leads to benefits for all countries involved, thus satisfying the Pareto principle.

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