The Pareto Principle: Achieving More With Less by Richard Koch

The Pareto Principle, an important Lean Six Sigma management theory, states that, for many events, 80 percent of the effects come from 20 percent of the causes. Joseph M. Juran, a business management thinker, formulated the Pareto Principle, or the 80-20 Principle. Juran named the Pareto Principle after Italian economist Vilfredo Pareto, who had observed in the early 1900s that 80 percent of...