| Article ID: | iaor2003651 |
| Country: | Netherlands |
| Volume: | 109 |
| Issue: | 1 |
| Start Page Number: | 343 |
| End Page Number: | 358 |
| Publication Date: | Jan 2002 |
| Journal: | Annals of Operations Research |
| Authors: | Freixas Josep, Carreras Francesc |
Semivalues are shown to exhibit a capability of modification that enables us to introduce additional information in the evaluation of games. After using a general method to design modified versions of the Shapley and Banzhaf values, we apply them to some political, economic and sociological problems.