The main problems of supply chain is the lack of proper communication and timely its components, and uncertainty existence in supply and demand that causes disrupting the correct decisions about the amount and production time that this lack of coordination will be caused accumulation of inventory or risks arising from inability to meet the demands in manufacturing company that ultimately will led to the poor performance of the supply chain and to lose customers. The approach of this study is investigating factors causing bullwhip effect as a most important factor of uncertainty in supply and demand.

The main problems of supply chain is the lack of proper communication and timely its components, and uncertainty existence in supply and demand that causes disrupting the correct decisions about the amount and production time that this lack of coordination will be caused accumulation of inventor...