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Reframing platform power

José van Dijck, Utrecht University
David Nieborg, University of Toronto
Thomas Poell, University of Amsterdam
PUBLISHED ON: 30 Jun 2019 DOI: 10.14763/2019.2.1414

This paper is part of Transnational materialities , a special issue of Internet Policy Review guest-edited by José van Dijck and Bernhard Rieder. Introduction In March 2019, the European Commission fined Google’s parent company Alphabet Inc. 1.5 billion euro for antitrust violations in the online advertising market—the third fine in three years.

Defining the relevant market in the sharing economy

Francesco Russo, University of Amsterdam
Maria Luisa Stasi, European University Institute
PUBLISHED ON: 30 Jun 2016 DOI: 10.14763/2016.2.418

Sharing economy businesses open up new markets and bring about new regulatory challenges. These could be solved with traditional competition instruments, although adapted to the peculiar features of the sharing economy, including, among others, multi-sidedness and the presence of different externalities.