15 July 2009 PRODUCTIVITY Productivity = Units Produced Input used
[output/input]
Productivity Calculations Productivity = Output (add all) Forecasting – A process of predicting a future event – Underlying basis of all business decisions Production Inventory Personnel Facilities Time Horizons Short-range forecast Medium-range forecast (comprehensive) Long-range forecast Types of Forecasts Economic (inflation, money) Technological Demand (predict sales of existing products) Strategic importance Human resources Capacity Supply chain management Approaches Qualitative Methods (description) < Jury of Executive Opinion < Delphi Method < Sales Force Composite < Consumer Market Survey Quantitative Methods (number) Overview of Quantitative Approaches 1. Naïve approach 2. Moving averages Time-series models 3. Exponential smoothing *Time-series Models MA =
demand in previous n periods n
4. Trend projection 5. Linear regression
Associative models
At – Ft (ENGINEERING) House of Quality Robust Design – same to be as next year Computer Aided Design – CAD Two Ways Quality Improves Profitability ☛ Sales Gains ☛ Reduced Costs Flow of Activities < Organizational Practices < Quality Principles < Employee Fulfillment < Customer Satisfaction Quality – ability to satisfy customers/own needs Views ≈ ≈
≈ user-based manufacturing-based product-based
Goodwill Implications ≈ company reputation ≈ product liability ≈ global implications