| Article ID: | iaor200973433 |
| Volume: | 172 |
| Issue: | 1 |
| Start Page Number: | 177 |
| End Page Number: | 192 |
| Publication Date: | Nov 2009 |
| Journal: | Annals of Operations Research |
| Authors: | Farzipoor Saen Reza |
| Keywords: | outsourcing, purchasing |
Selecting an appropriate supplier for outsourcing is now one of the most important decisions of the purchasing department. This paper proposes a model for ranking suppliers in the presence of weight restrictions, nondiscretionary factors, and cardinal and ordinal data. A numerical example demonstrates the application of the proposed method.