Planning horizons are developed for the dynamic economic lot site model with backlogging when the marginal production cost is either constant or variable. The inventory holding and backlogging cost functions are assumed to be concave. An efficient forward algorithm generalizes the...

Manufacturers and their distributors must cope with an increased flow of returned products from their customers. The value of commercial product returns, which we define as products returned for any reason within 90 days of sale, now exceeds $100 billion annually in the United States. Although...

Companies undertaking operations improvement in supply chains face many alternatives. This work seeks to assist practitioners to prioritize improvement actions by developing analytical expressions for the marginal values of three parameters – (i) lead time mean, (ii) lead time variance, and...

The condition of the used items acquired for remanufacture is often highly variable, and this variability creates numerous management challenges for remanufacturing firms. Management decisions regarding whether or not a given item should be remanufactured and where that remanufacturing should...