"Temporary price reductions (sales) are common for many goods and naturally result in large increases in the quantity sold. Demand estimation based on temporary price reductions may mis-measure the long run responsiveness to prices. In this paper we quantify the extent of the problem and assess...

This amicus brief was filed in Federal Trade Commission v. Phoebe Putney Health System, Inc., in which the FTC has obtained review of an 11th Circuit decision that insulated a merger of two nonprofit hospitals from antitrust scrutiny. We make two arguments in the amicus brief. First, there is no...

The Sabre decision suggests that US courts might require a particularly high standard of proof in mergers involving claims of potential competition challenged under Section 7 of the Clayton Act. The UK enforcement system seems to have greater flexibility, which at least in part allowed the CMA...