A number of advances in the analysis of durability have appeared recently. There remain, however, some areas of misperception and inaccuracy with regard to the implications of durability. The purpose of this paper is to clarify two related issues. The first is the issue of which is most...

Within the vertical integration literature, it is a long standing proposition that the market level price of a downstream product is invariant with respect to the vertical integration and subsequent monopolization of that downstream industry by a lone input monopolist, given that the downstream...