An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...

Estimating antitrust risk is fundamental to identifying, proposing, and pricing deals. A more informed understanding of what to expect when meeting with agency staff and leadership will help antitrust lawyers and economists (or other consultants) anticipate the critical questions and potential...

Most mergers involve multiple markets. The potential for settlement can vary by the fraction of the overall deal attributable to the markets of concern. (i.e., by the “overlap”). If an antitrust agency challenges a merger having only a small overlap, negotiating a settlement is very likely;...

A proposal for moving from price-centric to innovation-centric competition policy, reviewing theory and evidence on economic incentives for innovation. Competition policy and antitrust enforcement have traditionally focused on prices rather than innovation. Economic theory shows the ways that...

High technology markets are dynamic, fast-growing sectors characterized by a fast-paced innovation. Dominant positions in these markets may be challenged by innovators provided that entry barriers are not high. Competition authorities have to take into account these factors when reviewing the...