In many markets firms set posted prices which are potentially negotiable. We analyze theoptimal marketing mix of pricing and bargaining when price takers buy at posted prices butbargainers attempt to negotiate discounts. The optimal bargaining strategy involves the firmsoffering bargainers...

We present a general Cournot model in which each ¯rm may sell multiplequality-di®erentiated products. We use an upgrades approach, working not with theactual products, but instead with upgrades from one quality to the next. The prop-erties of single-product Cournot models carry over to the...

This paper analyses market valuations of UK companies using a new data set of their R&Dand IP activities (1989-1999). In contrast to previous studies, the analysis is conducted at thesectoral level, where the sectors are based on the technological classification in Pavitt (1984).The first main...