Productivity, growth, and prosperity -- Productivity improvement : checkered history -- What is an improvement? -- Current CPI favorites -- The TLS model -- Results : has a more global focus worked? -- Management issues -- Productivity growth and prosperity -- The productivity improvement dilemma -- CPI favorites : TOC, Lean, Six Sigma -- What is an improvement? -- The iTLS model and how it works -- ITLS study and results summary -- River system optimization with TOS -- "Most" TLS project management -- Real-world application of itls approach