| Article ID: | iaor20114409 |
| Volume: | 39 |
| Issue: | 6 |
| Start Page Number: | 634 |
| End Page Number: | 641 |
| Publication Date: | Dec 2011 |
| Journal: | Omega |
| Authors: | Sirvent Inmaculada, Ramn Nuria, Ruiz Jos L |
We propose a cross‐efficiency evaluation without weights profiles of units with zero weights. Differences between weights profiles are reduced. Differences in the importance attached to the same variable by the different units are reduced. Common sets of weights are derived by summarizing DEA weights profiles more similar among themselves.