期刊
COMPUTERS & INDUSTRIAL ENGINEERING
卷 157, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cie.2021.107297
关键词
Bundling; Complementary products; Vendor-managed inventory; Pricing; Consignment
This study focuses on a joint economic lot-sizing model with two complementary products in a supply chain, considering different models that include bundling and separate sales to maximize profit. Results from numerical experiments show that the marginal profit from bundling sales is higher than that of individual products, and supply chain members can benefit from economies of scale in bundling sales.
In the real world, various products are displayed simultaneously on the shelf; therefore, their demands/prices affect each other. This paper aims at studying a joint economic lot-sizing model with two complementary products in a supply chain consisting of a vendor and a buyer. The vendor sends items to the buyer's warehouse in equal-size batches applying vendor-managed inventory with consignment stock policy. The buyer stocks items at the warehouse and on the shelf. Two mixed-integer nonlinear models that consider bundling and separate sales have been proposed and solved through different solution algorithms such that the profit is maximized. The concavity of both models' objective functions is investigated and the effect of considering complementation between products and bundling strategy is studied. Numerical experiments indicate that the bundle's marginal profit is greater than a single product's marginal profit. Moreover, the supply chain members can also take advantage of economies of scale in bundling sales.
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