[This item is a preserved copy. To view the original, visit http://econtheory.org/] When a firm decides which products to offer or put on display, it takes into account the products' ability to attract attention to the brand name as a whole. Thus, the value of a product to the firm emanates from...

Every weighted tree corresponds naturally to a cooperative game that we call a tree game; it assigns to each subset of leaves the sum of the weights of the minimal subtree spanned by those leaves. In the context of phylogenetic trees, the leaves are species and this assignment captures the...

In this paper we study hedonic coalition formation games in which players' preferences over coalitions are induced by a semi-value of a monotonic simple game with veto control. We consider partitions of the player set in which the winning coalition contains the union of all minimal winning...

We have studied the incentives of forming coalitions in the Airport Problem. It has shown that in this class of games, if coalitions form freely, the Shapley value does not lead to the formation of grand or coalitions with many players. Just a coalition with a few number of players forms to act...

We consider a decentralized, two-echelon supply chain where the upper echelon --the supplier-- bears the inventory risk. To service the retailers, the supplier either keeps inventory reserved for each of her customers or else pools inventory to share among her customers. The common insight...

This paper develops an approach for valuing Internet Service Providers (ISPs). The viewpoint is taken that once access to the Internet is obtained it can then be characterized by non-rivalrous consumption and non-exhaustibility. However, the quality of access is affected by the capacity of the...

In this dissertation we study several key issues faced by firms while introducing new products to market. The first essay looks at product rollovers: introduction of a new product generation while phasing out the old one. We study the strategic decision of dual vs. single roll jointly with...