In recent years, our online markets and data-driven economy have delivered waves of innovation and efficiencies to the benefit of us all. However, an increased realisation has emerged as to the limitations of this competitive landscape and the power of markets to correct themselves. Network effects, increased concentration, personalised dynamic algorithmic pricing and contractual restrictions have made the online environment less than perfect. In this paper, we consider three antitrust threats – algorithmic collusion, price discrimination and the rise of the super-platforms – and explore enforcement action they may call for.
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