In this paper we consider the problem of allocating scarce resources in a divisionalized company; the resources are made available by the headquarters and requested by profit centers (PCs). This problem was observed at a large german insurance company (LAGIC). Currently, the resources are...

We show that the class of preferences satisfying the Gross Substitutes condition of Kelso and Crawford (1982) is strictly larger than the class of Endowed Assignment Valuations of Hatfield and Milgrom (2005), thus resolving the open question posed by the latter paper. In particular, our result...