Framework
Supplier selection and total-cost rating
The question it answers
When choosing between several suppliers, how should a purchasing manager rate them so the lowest quoted price does not hide the true total cost?
- Origin
- Lysons and Farrington (2020) ch. 10
- Diagram type
- Process by phase
- Level of analysis
- Firm

Diagram
Supplier selection and total-cost rating
- Select
- Pre-qualify capability
- Agree criteria
- Gather information
- Weighted scoring
- Choose the supplier
- Manage
- Decide the relationship type (short or long term, strategic or transactional)
- Measure with a total-cost index (purchase price plus non-conformance cost, divided by purchase price)
Pitfalls
Pitfall
The supplier with the lowest unit price may not be cheapest once late delivery, defects and repacking are added.
Sources
References
Listed A–Z by author surname, Harvard style. A source with a DOI links to https://doi.org/…; one without links to its page or says plainly that it has no DOI.
- Lysons, K. and Farrington, B. (2020) Procurement and Supply Chain Management (10th edn). Harlow: Pearson.No DOISource page