A stochastic inventory model with price quotation
Kyoung-Kuk Kim,
Jun Liu and
Chi-Guhn Lee
IISE Transactions, 2015, vol. 47, issue 8, 851-864
Abstract:
This article studies a single-item periodic-review inventory problem with stochastic demand, uncertain price, and price search cost. At the beginning of a period, an inventory manager has to decide, considering the current inventory level, whether a price should be searched for at a non-zero cost. Once the price is known, she will have to decide the order size. For tractability the number of realizable prices is limited to two and (r, S1, S2)-type policies are considered, where r is the threshold for the price search decision and Si is the order-up-to level for price pi for i = 1, 2. Although the problem is significantly simplified, it still allows for price speculations by the inventory manager; i.e., she requests a quote but may not buy. The properties of long-run average costs are studies and optimization algorithms are presented. Numerical studies show the effectiveness of the proposed policy compared with classic (s, S)-type policy and its natural three-parameter extension.
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:taf:uiiexx:v:47:y:2015:i:8:p:851-864
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DOI: 10.1080/0740817X.2014.955598
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