We study the optimal behaviour of a cartel faced with fringe competition and imperfectly attentive consumers. Intertemporal price dispersion obfuscates consumer price comparison which aids the cartel through two channels: it reduces the effectiveness of free riding by the fringe; and it relaxes...

Antitrust authorities are particularly concerned with the dominant market position of tech giants such as Google, Facebook, and Amazon. These digital conglomerates are characterized by platform-based business models. However, despite their dominance, they are competing with each other to attract...

The controversial debate on the appropriate standard for the assessment of bundled discounts echoes the difficulties encountered by courts, antitrust authorities and scholars in their ongoing attempt to develop a coherent theoretical framework to distinguish exclusionary conduct from legitimate...