"Policy makers around the world are increasingly worried about developments in some digital markets and in particular digital platforms which use business practices to obtain an advantage vis-à-vis competitors in vertically related activities (e.g., self-preferencing) or which use their...

In many economic sectors - the digital industries being first and foremost - the market power of dominant firms has been steadily increasing and is rarely challenged by competitors. Existing competition laws and regulations have been unable to make markets more contestable. The book argues that...

This paper shows that vertical foreclosure can have a dynamic rationale. By refusing to supply an efficient downstream rival, a vertically integrated incumbent sacrifices current profits but can exclude the rival by depriving it of the critical profits it needs to be successful. In turn,...