Martínez-de-Albéniz, F. Javier - Facultat d'Economia i Empresa, Universitat de Barcelona - 2013
We study the marginal worth vectors and their convex hull, the socalled Weber set, from the original coalitional game … and the transformed one, which is called the Weber set of level k. We prove that the core of the original game is included … in each of the Weber set of level k, for any k, and that the Weber sets of consecutive levels form a chain if and only if …