Quantity discounts based on the previous order in a two-period inventory model with demand uncertainty

Lee J-Y ()
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Lee J-Y: University of Houston-Victoria

Journal of the Operational Research Society, 2008, vol. 59, issue 7, 1004-1011

Abstract: Abstract We examine quantity discount contracts between a manufacturer and a retailer in a stochastic, two-period inventory model. The retailer places an order in each of the two periods to meet stochastic demands. The manufacturer gives the retailer a price discount on purchases in the second period in excess of the first-period order quantity (incremental QDP) or a price discount for all units ordered in the second period if the retailer orders more in the second period than in the first period (all-units QDP). We show that the retailer's optimal ordering decision in the second period depends on the sum of initial inventory and previous order quantity. Our computational study suggests that the QDP contract induces the retailer to buy more in the second period but less in the first period, while the increase of the total order quantity may not be significant; and that it increases the manufacturer's profit only when the wholesale margin is large relative to the retail margin.

Keywords: inventory; quantity discounts; demand uncertainty; two-period inventory model (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (2)

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DOI: 10.1057/palgrave.jors.2602426

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