Antitrust began with the common law tort of restraint of trade but has long since separated itself from the rest of tort law, particularly in the area of punishment. Since the passage of the Sherman Act in 1890, the principal remedies for antitrust violations have been criminal penalties and...

Technological innovation is changing private markets around the world. New advances in digital technology have created new opportunities for subtle and evasive forms of anticompetitive behavior by private firms. But some of these same technological advances could also help antitrust regulators...

If an antitrust fine has been imposed on a company, the question of managerial recourse liability arises. We present court cases from the Netherlands, the UK, and Germany, in part denying managerial liability and claiming that it would undermine the fines’ deterrent effect. We analyse whether...

Remedies often get overlooked in discussions of antitrust litigation, treated almost as an afterthought. When remedies have been part of the antitrust debate the focus has often been on an after-the-fact assessment of their effectiveness, or on the general question whether there should be a...

There is widespread concern that dominant platforms may be undermining competition by discriminating against rivals in adjacent markets, such as by refusing to let rival sellers use their platforms or by engaging in “self-preferencing.” Such acts fall within a category of unilateral conduct...

The value of sales of an undertaking infringing antitrust law is a key determinant of the size of the fine levied by a competition authority. European competition authorities rely only on the turnover the undertaking receives from the products in relation to which the infringing conduct...

At least since the early 1980s, the core principles of merger enforcement policy have been stable. Horizontal mergers that create, enhance, or facilitate the exercise of market power and vertical transactions that adversely affect horizontal competition are condemned, and consumer welfare is the...