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dc.contributor.authorCosgun, Ozlem
dc.contributor.authorKula, Ufuk
dc.contributor.authorKahraman, Cengiz
dc.identifier.citationCosgun, Ozlem; Kula, Ufuk; Kahraman, Cengiz. 2017. Markdown optimization for an apparel retailer under cross-price and initial inventory effects. Knowledge-Based Systems, vol. 120:pp 186–197en_US
dc.descriptionClick on the DOI link to access the article (may not be free).en_US
dc.description.abstractApparel Retailers have been using markdowns as a means of revenue maximization with an increased frequency. Parallel to this increase, several authors have studied single product markdown optimization problem under various settings or assumed that the products are independent in case of multi -products. In this paper, we address the simultaneous determination of markdown prices and optimal initial inventory levels under the cross-price effects in a random demand setting for multi-product groups for an apparel retailer chain in Turkey. First, we formulate the problem as a Markov Decision Process that considers price-based substitution and complementary effects among products and maximizes the expected total profit over a finite horizon. Then, we find the approximate markdown policies of each product by using Approximate Dynamic Programming algorithm. We investigate how cross-price elasticity affects the markdown policies of each product by considering several relationships among them, such as the products are all substitute or all are complement or some are substitute and some are complement. In addition to this, we provide insights on how they affect the expected revenues when non-optimal and optimal initial inventory levels are considered. When cross-price effects are considered in case of non-optimal initial inventory levels, average revenue increases about 32% while it increases to 50% when optimal initial inventory levels are in case.en_US
dc.publisherElsevier B.V.en_US
dc.relation.ispartofseriesKnowledge-Based Systems;v.120
dc.subjectMarkdown optimizationen_US
dc.subjectDynamic pricingen_US
dc.subjectCross-price elasticityen_US
dc.subjectApproximate dynamic programmingen_US
dc.subjectMarkov decision processesen_US
dc.titleMarkdown optimization for an apparel retailer under cross-price and initial inventory effectsen_US
dc.rights.holder(C) 2017 Elsevier B.V. All rights reserved.en_US

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