A Basis for Modelling the Costs of Supplier Selection: The Economic Tender Quantity

Luitzen de Boer · G.C. van Dijkhuizen · J. Telgen

22 citations0/0 files storedJournal of the Operational Research Society

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Supply Chain and Inventory Management Multi-Criteria Decision Making Auction Theory and Applications

Abstract

In this paper, we consider the decision a purchaser must make regarding the number of suppliers that should be invited to submit a tender for a certain purchase. On the one hand, the costs of sending invitations to tender, the costs of evaluating the tenders received, and the costs of communicating the outcome to the suppliers that were not selected, all increase with the number of suppliers that are invited to tender. On the other hand, with every additional tender, the purchaser might obtain a better bid. We present a theoretical decision model, the Economic Tender Quantity (ETQ) model, that under certain conditions may assist the purchaser in finding the number of tenderers that minimises the expected total costs of the tender process, that is the sum of the expected costs of sending, evaluating and communicating, and the expected bid price. We discuss these conditions and possible extensions, as well as future research opportunities in this area.

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1964A Behavioral Theory of the Firm 1963A Behavioral Theory of the Firm 1990The Asymptotic Theory of Extreme Order Statistics 1967Industrial buying and creative marketing 2000An evaluation of vendor selection models from a total cost of ownership perspective 1993Logistics of Production and Inventory 1977Purchasing and Materials Management: Text and Cases 1998IT supporting supplier relationships: The role of electronic commerce

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