Cristina Caffarra, Federico Etro, Oliver Latham, Fiona Scott Morton, 04 June 2020

There is a developed public discourse on the need for more enforcement, regulation and legislation of digital platforms. Regulating ‘gatekeeper platforms’ has emerged as a major plank of the new European Commission mandate, with a consultation process underway this week for a plan to introduce both ex-ante regulation and a new market investigation tool with quasi-regulatory powers. This column asks how economists can contribute to rationally progressing the debate, so that it is not based on subjective priors, but uses applied theory to make testable predictions, and data to discriminate between theories.

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