This article discusses inventory management of perishable items, including the differences between inventory models that consider items’ perishability and the standard models that ignore this issue. We hope that this article will help fostering the interest of students and researchers in inventory control of perishable items, and ultimately help improving the inventory control of perishable ite...

This paper studies the computation of order up to levels for a stochastic programming inventory problem of a perishable product. Finding a solution is a challenge as the problem enhances a perishable product, fixed ordering cost and non-stationary stochastic demand with a service level constraint. An earlier study [6] derived order-up-to values via an MILP approximation. We consider a computati...

now a days, management and control of perishable inventories is important in many units and industrial enterprises. basically perishable inventory management and control is more complex and challenging than inventories with unlimited lifetime. hence determining the optimal inventory policies for these products is very important.  in this paper, the optimal inventory policy for perishable items ...

This essay presents a model of the effects of an increase in the quantity of money introducedthrough loan markets under rigid assumptions. It traces those effects through loan markets and resourcemarkets. Its main contribution is its focus on two different consumer goods industries: a durable goodindustry with a long period of production and a perishable good industry with a short p...

In this paper, we deal with the problem of a fixed number of units of a certain perishable commodity over a continuous time horizon. Airline seats, hotel rooms, advertising space in newspapers, and some seasonal products that must be sold before the end of the season are examples of such commodities that cannot be carried over and are not storable for consumers. This paper considers such a prob...

Auctions are a good tool for dealing with resource allocation in multi-agent environments. When the resources are either renewable or perishable resources, a repeated auction mechanism is needed, in what is known as recurrent auctions. However, several problems arise with this kind of auction, namely, the resource waste problem, the bidder drop problem, and the asymmetric balance of negotiation...

This vehicle routing problem involves finding a set of trips, one for each vehicle and to pick up known quantities of perishable goods from a set of geographically dispersed suppliers to the cargo terminal of an international airport in south India. The pickup time is based on the deterministic departure time of the flights. The objective of this Vehicle routing problem with Pickup and Delivery...

Selection and transport of materials for tools is ubiquitous throughout our species’ evolutionary history. Yet understanding early human material culture heavily skewed toward lithic technology. This poses challenges when reconstructing technical origins, as organic raw materials, especially plants, likely played a significant role despite their absence from the record until 300 kya. Studies pl...