Forrester effect mapping
Forrester's research, (Industrial dynamics, MIT Press 1961) showed that demand could be erratic with peaks and troughs commonplace within most organizations. These variations in requirements and supply are amplified within the supply chain when re-orders are made.
The map is portrayed as a graph with a line showing elements such as customer forecasts, shipments to customers, orders for raw materials over a period of time shown on the x axis.
Distortion between inventory levels is shown as a result of poor communication and an inability to schedule accurately. The flatter the lines displayed the leaner the system and more accurate the forecast.
- Best Practice Procurement: Public and Private Sector Perspectives By Andrew Erridge, Ruth Fee, John McIllroy
- Lean Evolution: Lessons from the Workplace By Nick Rich, Ann Esain, Nicola Bateman
- Demand Amplification within the supply chain
- http://www.qdc.fi/article/PP_1999.pdf - "Demand Amplification in Supply Chain in Mills ...."