9Chert F, Drezner Z, Ryuan J. Quantifying the bullwhip effect in a simple supply chain: the impact of forecasting, leadtimes,and information[J]. Management Science, 2000, 46(3): 436- 443.
10Hau L. Lee, Kut C. So, Christopher S. Tang. The value of information sharing in a two-level supply chain[J]. Management Science, 2000, 46(5): 626-643.