There is a growing concern that U.S. merger control may have been too lenient, but empirical evidence remains limited … reviewing the use and challenges of event studies in merger analysis, I use a novel application of Hoberg-Phillips (2010, 2016 ….S. mergers between 1997 and 2017. I document that following a merger announcement, the most likely competitors experience on …

We consider merger remedies of the U.S. Department of Justice's Antitrust Division and the U.S. Federal Trade …