This paper studies how the emergence of specialized communication media focused on both high quality contents and high quality advertised products, affects the functioning of a vertically differentiated market. To that end, we formulate a simultaneous game of pricing and targeted advertising...

We analyse the effects of predation in a vertical differentiation model, where the high-quality incumbent is able to price discriminate while the low-quality entrant sets a uniform price. The incumbent may act as a predator, that is, it may price below its marginal costs on a subset of consumers...

In der Unterhaltungsbranche sind die Einkommen ausgesprochen ungleich verteilt. Einige wenige Stars erzielen im Vergleich zur Masse der Anbieter Spitzeneinkommen. Welche ökonomischen Mechanismen tragen zur Existenz von Superstars bei?

If a product has two dimensions of quality, one observable and one not, a firm can use observable quality as a signal of unobservable quality. The correlation between consumers' valuation of high quality in each dimension is a key determinant of the feasibility of such signaling. A firm may use...