| Article ID: | iaor20084765 |
| Country: | Brazil |
| Volume: | 27 |
| Issue: | 2 |
| Start Page Number: | 191 |
| End Page Number: | 207 |
| Publication Date: | May 2007 |
| Journal: | Pesquisa Operacional |
| Authors: | Mello Joo Carlos Correia Baptista Soares de, Senra L.F.A.C., Nanci L.C. |
One of the main issues in DEA modeling is the variables choice. This may have conflictive objectives, like increasing the mean efficiency or maximizing the model ranking capability – a DEA classic fragility. In this paper, we compare four variable selection methods, focused on DMUs sorting. These methods are applied to a real situation of assessing the efficiency of third-party logistics in the activity of newspaper home delivery, in Rio de Janeiro.