The paper analyses the economics behind algorithmic search and recommender services, based upon personalized user data. Such services play a paramount role for online services such as marketplaces (e.g. Amazon), audio streaming (e.g. Spotify), video streaming (e.g. Netflix, YouTube), app stores,...

Die schonungslose Bestandsaufnahme unserer Wirtschaft: Wir können alles - ausser digital! Was kann Google, was Volkswagen und Bosch nicht können? Unsere Maschinenbauer, Autoindustrie, Energieversorger, unser Handel, unsere Banken und Dienstleister, aber auch unsere Politiker - Deutschland hat...

This article analyses the crucial role of user data for digital markets contestability and presents policy proposals devised to address growing concerns about the dominance of data-rich incumbents in digital markets. To this end, we discuss a data-driven theory of harm that would warrant ex-ante...