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The bullwhip effect is a supply chain phenomenon where orders to suppliers tend to have a larger variability than sales to buyers, which results in an amplified demand variability upstream. In part, this results in increasing swings in inventory in response to shifts in consumer demand as one moves further up the supply chain. The concept first appeared in Jay Forrester's Industrial Dynamics (1961) and thus it is also known as the Forrester effect. It has been described as "the observed propensity for material orders to be more variable than demand signals and for this variability to increase the further upstream a company is in a supply chain". Research at Stanford University helped incorporate the concept into supply chain vernacular using a story about Volvo. Suffering a glut in green cars, sales and marketing developed a program to sell the excess inventory. While successful in generating the desired market pull, manufacturing did not know about the promotional plans. Instead, they read the increase in sales as an indication of growing demand for green cars and ramped up production.
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Fred Glover is Chief Scientific Officer of Entanglement, Inc., USA, in charge of algorithmic design and strategic planning for applications of combinatorial optimization in quantum computing. He also holds the title of Distinguished University Professor, Emeritus, at the University of Colorado, Boulder, associated with the College of Engineering and Applied Science and the Leeds School of Business. He is known for his innovations in the area of metaheuristics including the computer-based optimization methodology of Tabu search an adaptive memory programming algorithm for mathematical optimization, and the associated evolutionary Scatter Search and Path Relinking algorithms.
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Candace A. Yano is Professor and Chair at Haas School of Business's Operations and Information Technology Management Group, and Professor and former Head of Department of Industrial Engineering & Operations Research, both at University of California, Berkeley. She is also a senior technical consultant on operations management issues for Yano Accountancy Corporation (YAC).
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References
- ↑ http://www4.gsb.columbia.edu/cbs-directory/detail/494917/Awi+Federgruen Archived 2013-10-02 at the Wayback Machine Archived 2006-09-15 at the Wayback Machine
- 1 2 Awi Federgruen at the Mathematics Genealogy Project.
- ↑ Columbia Daily Spectator, Volume CXVI, Number 127, 30 November 1992.
- ↑ AWI FEDERGRUEN Archived 2013-10-02 at the Wayback Machine at gsb.columbia.edu, 2004.
- ↑ MSOM Business Meeting Minutes, INFORMS Denver Conference
- ↑ MSOM Distinguished Fellow Award
- ↑ Fellows: Alphabetical List, Institute for Operations Research and the Management Sciences , retrieved 2019-10-09
- ↑ Theory and Practice of Leadership, by Roger Gill, 2006, p. 197
- ↑ Management Consulting: Delivering An Effective Project, by Philip A. Wickham 2004, p. 111
- ↑ [ permanent dead link ]
- ↑ Columbia Business School: Hermes Magazine Archived 2007-07-28 at the Wayback Machine
- ↑ "Experts: ICC and UN blamed Israel for a famine that never happened in Gaza - exclusive". The Jerusalem Post | JPost.com. 2024-06-18. Retrieved 2024-06-24.
