An oligopolistic market with vertical product differentiation is parametrized in cost parameters. This allows me to study the impact of the technology of the firms (cost parameters) on market structure, conduct, and performance. Firms which differ only by the order of the sequential move to...

This report provides an overview on the economics of attention intermediaries. It addresses the following questions: What are the economics of attention intermediaries? For competition policy, how should markets be defined and market power of attention intermediaries be assessed? What theories...

Is the reputation of a firm tradable when the change in ownership is observable?We consider a competitive market in which a share of owners must retire ineach period. New owners bid for the firms that are for sale. Customers learn theowners type, which reflects the quality of the good or service...

We compare the advertising intensity and content of programming in a market withcompeting media platforms. With pay-tv, media platforms have two sources of revenues,advertising revenues and revenues from viewers. With free-to-air, media platformsreceive all revenues from advertising. We show...