| Article ID: | iaor20123167 |
| Volume: | 40 |
| Issue: | 6 |
| Start Page Number: | 817 |
| End Page Number: | 817 |
| Publication Date: | Dec 2012 |
| Journal: | Omega |
| Authors: | Montemanni R, Gambardella L M |
| Keywords: | optimization |
In the paper Li et al. (2012) it is claimed that a theoretical result appeared in Montemanni and Gambardella (2005) is wrong. In this note we show that the original result is correct, and that the counter‐example used to prove the wrongness of the original result is incorrect.