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 address three research questions: (i) Is the current development of analyzing industry with its recent merger activity … merger control in this industry, as well as a more active abuse control against already vertically-integrated media companies. …