Quantifying the Bullwhip Effect in a Supply Chain Considering Seasonal Demand

공급사슬에서 계절적 수요를 고려한 채찍효과 측도의 개발

  • Cho, Dong-Won (Department of Industrial and Management Engineering, Hanyang University) ;
  • Lee, Young-Hae (Department of Industrial and Management Engineering, Hanyang University)
  • 조동원 (한양대학교 산업경영공학과) ;
  • 이영해 (한양대학교 산업경영공학과)
  • Received : 2009.03.21
  • Accepted : 2009.08.07
  • Published : 2009.09.30

Abstract

The bullwhip effect refers to the phenomenon where demand variability is amplified when one moves upward a supply chain. In this paper, we exactly quantify the bullwhip effect for cases of seasonal demand processes in a two-echelon supply chain with a single retailer and a single supplier. In most of the previous research, some measures of performance for the bullwhip effect are developed for cases of non-seasonal demand processes. The retailer performs demand forecast with a multiplicative seasonal mixed model by using the minimum mean square error forecasting technique and employs a base stock policy. With the developed bullwhip effect measure, we investigate the impact of seasonal factor on the bullwhip effect. Then, we prove that seasonal factor plays an important role on the occurrence of the bullwhip effect.

Keywords

References

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