when taking merger decisions. In practice, firms and competition authorities cannot know exact future efficiency gains …Some path-breaking work on mergers takes efficiency gains for granted, or assumes that firms have perfect knowledge …, prior to merger consummation. This paper analyzes horizontal mergers when the output decision-making process is sequential …

New Horizontal Merger Gui ... …

outcomes, and recommends tighter merger regulation. Since the works of both have been used to support more aggressive antitrust …

There seems to be consensus that the Department of Justice's 1984 Vertical Merger Guidelines do not reflect either … are verifiable, merger-specific and sufficient to reverse the potential anticompetitive effects; (iv) The agencies should … unconcentrated markets; (v) The agencies should consider adopting rebuttable anticompetitive presumptions that a vertical merger …

post-merger R&D efforts (including lower expenditure). SIEIC is distinct from the mainstream unilateral effects theory of … applied in merger cases? This paper is divided into three sections. In Section I, the SIEIC theory of harm is described and … recently, the European Commission (“Commission”) used its powers under the EU Merger Regulation (“EUMR”) to impose remedies in …