期刊
COMPUTERS & INDUSTRIAL ENGINEERING
卷 127, 期 -, 页码 625-642出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cie.2018.11.004
关键词
Inventory management; Perishable product; Price markdown; Stochastic optimization; McCormick relaxations
This research is motivated by the opportunities for retailers to reduce waste and increase profitability of perishables using pricing. This paper proposes a two-stage stochastic optimization model that selects suppliers, identifies a replenishment schedule for a periodic-review inventory system with non-stationary demand and supply, and determines the timing and size of a price markdown in order to maximize retailer's profits. In this model, the first-stage problem is bilinear since it captures the additive relationship between price and demand. Therefore, we develop a solution approach which extends the Benders decomposition algorithm via a piecewise linear approximation method to solve the first-stage problem. A case study is presented to validate the model. Numerical experiments suggest that supply chain profits are enhanced by integrating inventory management with pricing decisions.
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