- Forrester effect mapping
The Forrester Effect Map is a
business technique used to analyse the disturbance on thesupply chain of reorder activity. [Best Practice Procurement: Public and Private Sector Perspectives By Andrew Erridge, Ruth Fee, John McIllroy] .The tool is one of the seven
Value Stream Mapping tools as defined by Hines and Rich [Lean Evolution: Lessons from the Workplace By Nick Rich, Ann Esain, Nicola Bateman] .Forresters research, (Industrial dynamics, MIT Press 1961) showed that
demand could be erratic with peaks and troughs commonplace within most organizations. These variations in requirements andsupply are amplified within the supply chain when re-orders are made. [ [http://www.supplychainmechanic.com/?p=13 Demand Amplification within the supply chain] ]Process
The map is shown as a line 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 .Results
Distortion between
inventory levels is shown as a result of poor communication and an inability toschedule accurately. The flatter the lines displayed the leaner the system, and more accurate the forecast.References
External links
* http://www.qdc.fi/article/PP_1999.pdf - Demand Amplification in mills
ee also
Jay Forrester
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