On March 20, 2011, wireless provider AT&T announced its intention to merge with T-Mobile USA, a competing wireless provider. This article reviews the economic analysis of this proposed acquisition that we carried out for Sprint and explains why the merger would have been anticompetitive. We...

Due to a series of recent mergers, the number of legacy airlines in the United States has decreased from six to three. We conduct a comprehensive investigation of the effect on fares and output of these legacy airline mergers to determine whether the mergers have had an overall pro-competitive...