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Paper Information

Journal:   JOURNAL OF OPTIMIZATION IN INDUSTRIAL ENGINEERING (JOURNAL OF INDUSTRIAL ENGINEERING)   SUMMER 2014 , Volume 8 , Number 2 (15); Page(s) 55 To 63.
 
Paper: 

MEASURING AND ANALYZING THE BULLWHIP EFFECT IN A TWO-PRODUCT AND TWO ECHELON SUPPLY CHAIN USING CONTROL THEORY APPROACH

 
 
Author(s):  SADEGHI AHMAD*
 
* FACULTY OF INDUSTRIAL AND MECHANICAL ENGINEERING, QAZVIN BRANCH, ISLAMIC AZAD UNIVERSITY, QAZVIN, IRAN
 
Abstract: 

Coordination is very important in supply chain management and it is one of the main factors in supply chain profitability. Bullwhip effect is one of the basic obstacles to achieve coordination in supply chains and reduction of this phenomenon has an important role in supply chain harmony. The other side, costs of supply chain can be mitigated and customer service level can be increased by reducing of bullwhip effect. Because measurement of bullwhip effect is very important in analyzing and controlling of it, providing equations to investigate bullwhip effect behavior based on real world supply chain conditions is necessary. The previous studies mostly concentrate on single product supply chain and few studies have been done on supply chains with more than one product. Here we quantify and investigate the bullwhip effect in a two-echelon supply chain with two products using control theory approach. Due to the relationship between demands of two products in our proposed supply chain, first order vector auto regressive model is used as demand process of the products. We also apply moving average method for lead-time demand forecasting within the "order up to" replenishment policy. We derive a closed form bullwhip measure and then bullwhip effect in a two-product supply chain is discussed and illustrated through a numerical example.

 
Keyword(s): BULLWHIP EFFECT, ORDER-UP-TO POLICY, SUPPLY CHAIN, SYSTEM ENGINEERING, VECTOR AUTO REGRESSIVE MODEL
 
 
References: 
 
Citations: 
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APA: Copy

SADEGHI, A. (2014). MEASURING AND ANALYZING THE BULLWHIP EFFECT IN A TWO-PRODUCT AND TWO ECHELON SUPPLY CHAIN USING CONTROL THEORY APPROACH. JOURNAL OF OPTIMIZATION IN INDUSTRIAL ENGINEERING (JOURNAL OF INDUSTRIAL ENGINEERING), 8(2 (15)), 55-63. https://www.sid.ir/en/journal/ViewPaper.aspx?id=409181



Vancouver: Copy

SADEGHI AHMAD. MEASURING AND ANALYZING THE BULLWHIP EFFECT IN A TWO-PRODUCT AND TWO ECHELON SUPPLY CHAIN USING CONTROL THEORY APPROACH. JOURNAL OF OPTIMIZATION IN INDUSTRIAL ENGINEERING (JOURNAL OF INDUSTRIAL ENGINEERING). 2014 [cited 2021November27];8(2 (15)):55-63. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=409181



IEEE: Copy

SADEGHI, A., 2014. MEASURING AND ANALYZING THE BULLWHIP EFFECT IN A TWO-PRODUCT AND TWO ECHELON SUPPLY CHAIN USING CONTROL THEORY APPROACH. JOURNAL OF OPTIMIZATION IN INDUSTRIAL ENGINEERING (JOURNAL OF INDUSTRIAL ENGINEERING), [online] 8(2 (15)), pp.55-63. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=409181.



 
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