Web-based businesses have become potential targets of antitrust concerns across the world with the proliferation of information, the growth of internet-related businesses and over two billion users of the internet worldwide as of the end of 2011. As a result of the use of this exponentially...

The rise of e-commerce has been on the agenda of competition authorities ever since it started blending online and offline marketplaces and puzzling enforcers in terms of assessing the competitive interaction between online and offline sales. Indeed, technological developments have led firms to...