The amount of global ammonia (NH3) emissions is growing continuously, similar to the damage environment, particularly humans and animals, caused by those emissions. Various problems derived from pollution have attracted increasing attention in recent years. In particular, accumulation poultry farms a concern for industry as it can lead possible due reduced bird performance, respiratory tract sk...

The purpose of this paper is to present a polynomial time algorithm which determines the lot sizes for purchase component in Material Requirement Planning (MRP) environments with deterministic time-phased demand with zero lead time. In this model, backlog is not permitted, the unit purchasing price is based on the all-units discount system and resale of the excess units is possible at the order...

In today's competitive business situation, the supplier frequently offers his or her retailers a permissible delay period to stimulate sales. addition, capacity of any warehouse is limited in practice; thus, retailer needs an additional rented store excess units when order quantity exceeds own warehouse. Furthermore, with globalization marketing policy, may provide discounted price if purchase ...

The high adoption of smart mobile devices among consumers is an opportunity for ecommerce retailers to increase their sales by recommending consumers with real time, personalized coupons which take into account the specific contextual situation of the consumer [5]. While context-aware recommender systems (CARS) have been widely analyzed [1,2] personalized pricing or discount optimization in rec...

Answers how much to order when to order. Reduced price when item is purchased in larger quantities.The first model we will present is called the economic order quantity EOQ. We will discuss two types of quantity discount contracts: all units discounts and.buy the lowest total cost quantity, save the buyer money and, in some cases, receive more goods. quantity discount model example When we buy ...

A joint replenishment problem is presented to determine the ordering policy for multiple items having a certain percentage of defective units. The purpose of this paper is to study the impact of the percentage of defective units on the ordering policy. Two different scenarios are presented for joint replenishment problem: (1) without price discount and (2) with price discount. For each scenario...

The perishable product’s dynamic pricing with quantity discount strategy is studied. The seller uses two-period dynamic price during the whole sale period and introduces quantity discount in second sale period in order to improve the seller’s profit. The mathematic model expressions are obtained by assuming that consumer’s reservation price draws from a uniform distribution and the price discou...

‎this paper proposes a multi-supplier multi-product inventory model in which the suppliers have unlimited production capacity, allow delayed payment, and offer either an all-unit or incremental discount. the retailer can delay payment until after they have sold all the units of the purchased product. the retailer’s warehouse is limited, but the surplus can be stored in a rented warehouse at a...

in this article, a finite horizon, multi product and multi period economic order quantity like seasonal items is considered where demand rate is deterministic and known but variable in each period. the order quantities of items come in batch sizes and the end of the period order quantity and, consequently, demand of customers are zero. in addition, storage space is constrained and the problem ...

In this study, the effect of a temporary price discount for a larger order than the regular order offered by the supplier on the retailer’s ordering policy is studied. The demand is assumed to be stock-dependent. The units in inventory deteriorate at a constant rate. This study will help the retailer to take the decision whether to adopt a regular or special order policy. The optimum special qu...