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Bull Whip Effect

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Submitted By gichengoj
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Bullwhip effect refers to a scenario which arises due to change in consumer demand thereby affecting the companies in the supply chain to order more or less goods to meet the current demand in the market. It may also be viewed as a trend of bigger and bigger oscillations of inventory in relation to the change in demand from the consumers as one looks at the supply chain from the retailer way back to the raw material source. The variability of the demand determines the size of the loop in the various stages of the supply chain with largest swing observed at manufacturer and raw material stages. There are several factors which causes the bullwhip effects. First is the inadequate communication between the parties in the supply chain. This hinders the process to run smoothly since the inventory department views the demand of a product differently within the supply chain links and order different quantities. This makes the prediction of the demand difficult unless communication is improved. Second is ordering the commodities in batches. Companies often accumulate orders before ordering for goods. This forms variability in the demands because at times they order large quantities and the other times low quantities depending on the market hence creating bullwhip effect. Third is the information of demand the company have. The companies in the supply chain depend on the historical data to predict the future demand. They may fail to take into consideration the variations of demand which occurred at a given period of time therefore making wrong projections. Lastly is the variation in prices. Discounts may lure the customers to buy the products hence creating high demand. Consequently, when the promotion ends, the demand fluctuates affecting the process. Bullwhip effects have negative impacts since the company is unable to certainly predict the demand of the

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