نتایج جستجو برای: quantity discounts
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A single period inventory problem, also known as the newsboy problem, is to final optimal order quantity for maximizing the newsboy’s expected profit under demand uncertainty. We extend the problem by considering suppliers’ quantity discounts and a resource-capacity constraint. A Lagrangian heuristic is developed to solve the problem with a large number of products. A preliminary numerical resu...
Faical – maybe we should just focus this paper purely on the WTP estimates and the issue of the whether quantity discount strategies would be a warranted marketing strategy. So review the organic WTP studies and quantity discount literature – my guess is that no one has evaluated the issue of quantity discounts in organic food marketing. This will be the contribution of our study. No need to me...
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The development of the inventory model started when Harris introduced classic model. It was firstly published by Wilson using optimization method. He derived a mathematical equation to obtain economic order quantities. Later, this is known as Economic Order Quantity (EOQ) or Model. EOQ has some limitations. assumed that items do not have physical changes during planning period. This assumption ...
I study transactions between aircraft manufacturers and airlines as well as airlines’ utilization of their fleet. Aircraft production is characterized by economies of scale via learningby-doing, which creates a trade-off between current profit and future competitive advantage in the aircraft market. The latter consideration makes large buyers more attractive than small buyers and induces quanti...
Many extension of the newsboy problem have been solved in the literature. One of those extensions solves a newsboy problem with stochastic initial inventory, earlier extensions have focused on quantity discounts offered by suppliers. An important practical extension would address a combination of the two pervious extensions. In this paper we consider a newsboy problem in which the suppliers off...
In the present study, the single-item dynamic lot sizing problem with supplier selection is investigated. The problem is broken down into two different cases. In the first case, quantity discounts are not taken into account; in the second case, incremental and all-unit quantity discounts are considered. Due to the complexity of the problems, a new heuristic is developed, which is based on the F...
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