2021/4/1. The 80:20 rule
I wonder that how many times I have wrote this theme.
80:20 rule
This is unfair rule which is called as “Pareto principle”.
https://en.wikipedia.org/wiki/Pareto_principle
If this rule is applied to whole people on the earth, what happens?
Certain people(20%) can use 80% of the earth’s assets, and almost people(80%) can use 20% of them.
The number of whole people on the earth is 7.9 billion.
20% of 7.9billion is about 1.6billion.
How big is the 1.6 billion people?
Almost as same as the number of Chinese.
China vs USA is simple.
Which is the king?
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