上海文通大￥ SHANGHAI JIAO TONG UNIVERSITY Supply Chain Management 2013 3.Make a comprehensive analysis for different modes and provide some suggestions for the case of Barilla SPA(A)in the text. The increase in variability in Barilla's supply chain is because that Barilla delivered product to Barilla's distributors on basis of whatever orders those distributors placed with the company.Barilla's customers were simply unwilling to give up their authority to place orders as they pleased.Some were even reluctant to provide the detailed sales data upon which Barilla could make delivery decisions and improve its demand forecast.Barilla can solve the increase in variability in supply chain by centralizing demand information,which can significantly reduce the bullwhip effect. Page 3 Total 2Supply Chain Management 2013 Page 3 Total 2 3. Make a comprehensive analysis for different modes and provide some suggestions for the case of Barilla SPA(A) in the text. The increase in variability in Barilla’s supply chain is because that Barilla delivered product to Barilla’s distributors on basis of whatever orders those distributors placed with the company. Barilla’s customers were simply unwilling to give up their authority to place orders as they pleased. Some were even reluctant to provide the detailed sales data upon which Barilla could make delivery decisions and improve its demand forecast. Barilla can solve the increase in variability in supply chain by centralizing demand information, which can significantly reduce the bullwhip effect