Legal presumptions in abuse regulation: (where) do EU and U.S. antitrust approaches meet?

Both EU and U.S. law prohibit - in some way or another - the abuse of a dominant economic position as part of their competition law framework. In establishing dominance and abusive behaviour, they essentially rely on economic assumptions and legal presumptions. In this presentation, I dissected the presumptions and conceptualised their role within the competition law legal framework of both jurisdictions.