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?...

This work is divided into two complementary parts. In the first part, we develop a partial equilibrium model, through which it is possible to analyze the influence of tariff modicity and the illegal occupation of poles on four agents: energy distributors, telecommunications operators, and energy...

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....

This study examines barriers to entry in the South African retail banking informed by Capitec's experiences as an entrant. In some ways Capitec's experience is exceptional. It surged ahead early attempts to bank the excluded from banks such as Ubank (former Teba Bank) and the Mzansi initiative....

This paper considers the development of digital platforms, their economic role and the policy approach which should apply to them. Digital platforms are heterogeneous, so no flavour of ‘platform regulation' is likely to be appropriate across all platforms, whilst horizontal laws apply to...

The interchange fee applied in four-party card systems transfers incomes in the payment card business from merchants to cardholders. Assessment of the interchange fee and the interpretation of its role have prompted serious professional debate in recent years. Beyond the professional debate,...

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...

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...