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The 80/20 Principle

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Richard Koch's book about the Pareto Principle and how to apply the 80/20 rule for maximum efficiency and effectiveness.

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Endorsed by

Tim Ferriss

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books productivity business efficiency

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Tim Ferriss recommends
"the 80/20 principle, Richard Koch. That just never gets old. Just does not get old."
Q&A with Tim — The Upcoming AI Tsunami and Building Offline Advantage · ▶ 38:18 · Mar 2026