In this paper we consider the uncapacitated economic lot-size model, where demand is a deterministic function of price. In the model a single price need to be set for all periods. The objective is to find an optimal price and ordering decisions simultaneously. In 1973 Kunreuther and Schrage proposed an heuristic algorithm to solve this problem. The contribution of our paper is twofold. First, we derive an exact algorithm to determine the optimal price and lot-sizing decisions. Moreover, we show that our algorithm boils down to solving a number of lot-sizing problems that is quadratic in the number of periods, i.e., the problem can be solved in polynomial time.

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European Journal of Operational Research
Erasmus Research Institute of Management

van den Heuvel, W., & Wagelmans, A. (2006). A polynomial time algorithm for a deterministic joint pricing and inventory model. European Journal of Operational Research, 170(2), 463–480. doi:10.1016/j.ejor.2004.06.027