Bullwhip Effect Study in Leaf Organic Supply Chain
نویسندگان
چکیده
منابع مشابه
The Bullwhip Effect in Supply Chain
In a supply chain the variability of the orders received by the supplier can be greater than the demand variability. This phenomenon is named bullwhip effect. Some researchers are quantified the bullwhip by measuring the differences between observed variances in the different stages of the supply chain. The bullwhip effect refers to the phenomenon of amplification and distortion of demand in a ...
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A simple system dynamics model of a traditional/closed loop supply chain system is investigated. Particularly, the effect of remanufacture, remanufacturing lead-time and the return rate on the inventory variance and bullwhip effect were studied. Our results clearly showed that the bullwhip in the closed loop supply chain is bigger than one in traditional supply chain and foreign to the collecti...
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On the basis of the AR(1) stochastic process model for consumer demand which was introduced by Professor H.L.Lee, qualified and simulation model of bullwhip effect are established when order-up-to inventory policy is employed, which investigate demand variability caused by forecasting technology, such as moving average (MA) method, exponentially weighted moving average (EWMA) method or mean squ...
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This paper introduces the confidence interval estimate for measuring the bullwhip effect, which has been observed across most industries. Calculating a confidence interval usually needs the assumption about the underlying distribution. Bootstrapping is a non-parametric, but computer intensive, estimation method. In this paper, a simulation study on the behavior of the 95% bootstrap confidence i...
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Demand fluctuations in the supply chain lead to uncertainty in inventory policy and thereupon the inventory costs increase. This paper considers the impact of forecasting on the demand variation in a serial three-stage supply chain including a retailer, a manufacturer and a supplier. Four forecasting methods are considered and demand variations evaluated as bullwhip effect measure. We use analy...
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ژورنال
عنوان ژورنال: AGRARIS: Journal of Agribusiness and Rural Development Research
سال: 2021
ISSN: 2527-9238,2407-814X
DOI: 10.18196/agraris.v7i1.9842