We consider a closed loop supply chain where new products are produced to order and returned products are refurbished for reselling. The solution to a price-setting problem enforces the “heavy traffic” condition, under which we address the production rate control problem for two types of cost functions. We solve a drift-control problem for an approximate system driven by a correlated two-dimens...

Inventory control is a fundamental activity in closed loop supply chains, particularly for remanufacturing processes. Several models have been developed in the literature where the aim is mostly to optimize cost or profit and to find the optimal order quantity for an integrated production and remanufacturing system. In this study, we explore a System Dynamics approach in order to model an inven...

This paper addresses a dynamic Capacitated Production Planning (CPP) problem in steel enterprise employing a closed-loop supply chain strategy, in which a remanufacturing process is adopted. We develop a model in which all demands are met by production or remanufacturing without backlogs, under the context that both the production and remanufacturing setup cost functions are arbitrary and time-...

Closed-loop supply chain systems are increasingly attracting attention because of cost competition, resource constraints and environmental issues. Electronic products are of particular concern due to short lifecycles and hazardous material used in production. We formulate the closed-loop product lifecycle system with stochastic dynamic programming methodology. By applying the reverse logistics ...

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Considering the impact of products’ eco-friendly level on demand, a two-stage closed-loop supply chain composed by a single manufacturer and a single retailer is constructed. Under both decentralized and centralized decision-making models, the paper deeply researches into the difference of supply chain system in economic benefits, environmental protection and social benefits, and a revenue shar...

In this paper, a mathematical programming model is presented for integrated problem of closed loop supply chain network design and supplier selection. The suppliers  propose discount policy based on purchase amount and loyalty of buyers which are both taken from the elements of RFM (Recency, Frequency and Monetary) technique. The main objective of this paper which is formulated by a mixed-integ...

Governments and customers are forcing the paper manufacturers to become more sustainable. Accordingly, there still exists a gap in the quantitative modeling of these issues. In this paper, this gap is covered through simultaneously considering economical, environmental and social impacts in the paper closed-loop supply chain network design. The proposed multi-objective, multi-echelon, multi-pro...

The aim of lot sizing problems is to determine the periods where production takes place and the quantities to be produced in order to satisfy the customer demand while minimizing the total cost. Due to its importance on the efficiency of the production and inventory systems, Lot sizing problems are one of the most challenging production planning problems and have been studied for many years wit...