Cost Allocation for Joint Replenishment Models

28 Pages Posted: 3 Nov 2008

See all articles by Jiawei Zhang

Jiawei Zhang

affiliation not provided to SSRN

Date Written: July 2007


We consider the one-warehouse multiple retailer inventory model with a sub modular joint setup cost function. The objective of this model is to determine an inventoryreplenishment policy that minimizes the long-run average system cost over an infinitetime horizon. Although the optimal policy for this problem is still unknown, a class ofeasy-to-implement power-of-two policies are 98% effective. This paper focuses on howthe cost, under an optimal power-of-two policy, should be allocated to the retailers.This question generates an interesting cooperative game. We prove that this cooperative game has a non-empty core. The key to our result is a strong duality theorem for the one-warehouse multiple retailer problem under power-of-two policies.

Keywords: Cooperative Game, Joint Replenishment, Strong Duality

Suggested Citation

Zhang, Jiawei, Cost Allocation for Joint Replenishment Models (July 2007). Operations Management Working Papers Series, Vol. , pp. -, 2007. Available at SSRN:

Jiawei Zhang (Contact Author)

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