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Fall+2011+M412+Class3

Fall+2011+M412+Class3 - M412 Physical Distribution and...

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M412 Physical Distribution and Logistics Management Prof. Mark Frohlich [email protected] Office BS 4042
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Today’s Class More on Supply Chain Organizations… Chapter 1’s “Bullwhip Effect” Chapter 2 – Role of Logistics in Supply Chains
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Council of Supply Chain Management Professionals ( www.cscmp.org )
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American Society of Transportation and Logistics (ASTL) Certified in Transportation and Logistics (CTL) http://www.astl.org/i4a/pages/index.cfm?pageid=1 http://www.astl.org/files/public/Application_BlanketWaiver_CTL.pdf Dear Dr. Frohlich, Thank you for continuing to encourage your students to take advantage of the AST&L CTL Blanket Waiver program. We have recently updated the waiver application form, which can be found here . Please let me know if you have any questions about the waiver program or if you need hard copies of the application mailed to you. Best regards, Elizabeth Elizabeth Early Marketing Manager American Society of Transportation and Logistics 1331 H St., NW Suite 500 Washington, DC 20005 [email protected] www.astl.org 202.580.7270 office
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“Bullwhip” Effect in Supply Chains (Mentioned on Pages 10 & 20)
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“Bullwhip” or “Forrester” Effect While customer demand for specific products does not vary much Inventory and back-order levels fluctuate considerably across their supply chain Discovered by Jay Forrester in 1960s http://www.pbs.org/wgbh/aso/databank/bioindex.html http://en.wikipedia.org/wiki/Jay_Wright_Forrester
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Symptoms of the “Bullwhip” High customer backlog & high inventory Inventory in wrong place at the wrong time Variability of demand increases with each ordering stage Difficult to identify who causes problems - not necessarily the same as those who suffer
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Capacity Required Time Real Apparent Shortages Over ordering Demand distortion Safety stock increase Unreliable delivery Bullwhip” or “Forrester” Effect up the Supply Chain
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