The digital economy presents challenges for antitrust law, but changes in substantive antitrust law are not needed to cope with them. The biggest problem in antitrust today is that the courts impose excessive burdens on plaintiffs, but no constructive solution to that problem is evident, and...

The discourse on competition policy often uses the term quot;consumer welfarequot; but rarely is clear about its meaning or role. I address the meaning and role of quot;consumer welfarequot; in three discrete essays. The first reviews key economic concepts and the usage of the term quot;consumer...