The aim of this paper is to analyse the pricing behaviour of print media firms when consumption on reader markets is addictive or habituated. However, not only the reader but also the advertising market has to be considered by a publisher optimising profits. Because print media markets are...

We examine the role of consumption externalities in the demand for pharmaceuticals at both the brand level and over a therapeutic class of drugs. These effects emerge when use of a drug by others affects its value, and/or conveys information abut efficacy and safety to patients and physicians....