Collaborative replenishment in the presence of intermediaries

Hezarkhania, Behzad, Slikker, Marco and Van Woensel, Tom (2018) Collaborative replenishment in the presence of intermediaries. European Journal of Operational Research, 266 (1). pp. 135-146. ISSN 0377-2217

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In complex supply chains, downstream buyers would often replenish individually from intermediaries instead of directly dealing with original manufacturers. Although collaborative replenishment from intermediaries might generate benefits, significant cost reductions could be achieved when direct replenishments from manufacturers are considered. This paper constructs a general model to study collaborative replenishment in multi-product chains with alternative sources of supply—i.e., manufacturers and intermediaries. A collaborative organization determines the optimal choices of replenishment sources on behalf of its members to minimize collective costs. We introduce a class of cooperative games associated with these situations and give sufficient conditions for their concavity. We investigate the choice of allocation rule and its effect on supply chain efficiency when buyers strategically participate in the collaborative organization. We prove that the Shapley value coordinates the supply chain, i.e., it makes complete participation the best strategy for buyers even under asymmetric information. This setting is compared with an alternative structure where buyers can only collaborate in source-specific replenishment organizations that purchase all requested products either from intermediaries or manufacturers. Although there are always participation strategies that result in minimum collective cost, it is impossible to find allocation rules for source-specific replenishment organizations that always motivate the buyers to choose such strategies.

Item Type: Article
Keywords: Supply Chain Management; Procurement; Game Theory
Schools/Departments: University of Nottingham, UK > Faculty of Social Sciences > Nottingham University Business School
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Depositing User: Eprints, Support
Date Deposited: 11 Oct 2017 12:50
Last Modified: 10 Oct 2019 04:30

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