that would prevent a merger from harming consumers for 1,014 mergers affecting 12,325 antitrust markets scrutinized by the … concerns about the Commission's merger enforcement being too lax. …

uniform price increases throughout all the goods in the candidate relevant market, since 1984 the versions of the U.S. Merger … contributions to the literature, we propose a unified framework for merger simulations and for the so-called HMT in its diversity of …

We describe a simple initial indicator of whether a proposed merger between rivals in a differentiated product industry … from the merger, based on the price/cost margins of the merging firms' products and the extent of direct substitution …

uniform price increases throughout all the goods in the candidate relevant market, since 1984 the versions of the U.S. Merger … recent contributions to the literature, we propose a unified framework for merger simulations and for the so-called HMT in …

recently revised DOJ/FTC Horizontal Merger Guidelines contain such a change, as the document recognizes the importance of … that could support a very significant increase in the level of merger enforcement. However, we also show how this … DOJ’s expert economist to testify to a narrow market that virtually guaranteed that the merger would be found …

effects of acquisitions on efficiency and underlying mechanisms. We find a 2% average increase in efficiency for acquired … plants, beginning five months after acquisitions. Efficiency gains rise to 5% under direct ownership changes, with no … significant change when only parent ownership changes. Investigating the mechanisms, three-quarters of the efficiency gain is …

that would prevent a merger from harming consumers for 1,014 mergers affecting 12,325 antitrust markets scrutinized by the … concerns about the Commission’s merger enforcement being too lax. …

. Even if market concentration and technological disadvantages lead to a significant welfare reduction after merger, from …