An evaluation of vendor selection models from a total cost of ownership perspective

Article Abstract:

Issues are presented concerning the relative efficiency of different systems of vendor selection. The use of Total Cost of Ownership as a measure for the comparison of relative efficiency is discussed.

Operations research, Management science, Evaluation, Managerial accounting

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Total cost of ownership purchasing of a service: the case of airline selection at Alcatel Bell

Article Abstract:

The purchasing of components for manufacturing and purchasing of services are the multiple objective problem of purchasing for business. A supplier selection model for purchase of services based on mathematical programming, selecting airlines for 56 destinations at Alcatel Bell and obtaining total cost of ownership (TCO) savings of 19.5%, is presented.

Telephone and telegraph apparatus, Belgium, Management dynamics, Equipment Purchase Analysis, Management, Telecommunications equipment industry, Company business management, Total cost of ownership, Alcatel Bell

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Improving the efficiency of the purchasing process using total cost of ownership information: the case of heating electrodes at Cockerill Sambre S.A

Article Abstract:

Belgian steelmaker Cockerill Sambre SA's supplier selection problem for heating electrodes is used to develop a model based on total cost of ownership information. The model, which also integrates order quantity in the selection process, indicates company savings of over 11% by outsourcing to only one supplier. Other factors evaluated by the model are quality, price, delivery performance, payment and refunding schemes.

Primary Iron & Steel, Iron and Steel Mills and Ferroalloy Manufacturing, Blast Furnace and Basic Steel Products, Models, Steel industry, Industrial suppliers, Outsourcing, Optimization theory, Mathematical programming, Cockerill Sambre S.A.

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