Research on collusion in vertically differentiated markets is conducted under one or two potentially restrictive assumptions. Either there is a single industry-wide cartel or costs are assumed to be independent of quality or quantity. We explore the extent to which these assumptions are indeed...

The concepts of rentiership and intellectual monopoly have gained increased prominence in discussions about the transformation of global capitalism in recent years. However, there have been few if any attempts to construct measures for rentiership and intellectual monopoly using firm-level...

Sellers are increasingly utilizing big data and sophisticated algorithms to price discriminate among customers. Indeed, we are approaching a world, where each consumer will be charged a personalized price for a personalized product or service. Is this type of price discrimination good or bad?...

No one ever argues for copyright on the grounds that superstar artists and authors need more money, but what if that is all, or mostly all, that copyright does? This article presents newly available data on the distribution of players across the PC videogame market. This data reveals an L-shaped...

We introduce a model of a platform in which users encounter news of unknown veracity. Users vary in their propensity to share news and can learn the veracity of news at a cost. In turn, the production of fake news is both more sensitive to sharing rates and cheaper than its truthful counterpart....

Individual contributions by infringing firms to the compensation of cartel victims must reflect their 'relative responsibility for the harm caused' according to EU legislation. Several studies have argued that the theoretically best way to operationalize this norm is to apply the Shapley value...

Anti-trust infringers are liable jointly and severally, i.e., any offender may be sued and forced to compensate a victim on behalf of all. EU law then grants the singled-out firm a right to internal redress: all infringers are obliged to contribute in proportion to their relative responsibility...

Many countries levy reduced-rate indirect taxes on newspapers, with proclaimed policy goals of stimulating investment in journalism and ensuring low newspaper prices. However, by taking into account the fact that the media industry operates in two-sided markets, we find the paradoxical result...