Large mergers are reviewed by antitrust authorities. In the US, proposed mergers are
reported to the Antitrust Division of the Department of Justice (DOJ). The DOJ typically
focuses on horizontal dimensions of mergers: points of overlap that might give a merged
firm a dominant share in some markets. It rarely intervenes in unrelated or conglomerate
mergers. Since there were few overlaps in the GE/Honeywell merger, the DOJ approved
it with minor changes. On May 2, 2001, the DOJ announced: