economic efficiency, nor to address any social or political factor. Rather, the overriding intent behind the merger laws was to … (which assumes mergers should be evaluated only in terms of net efficiency effects).In this and three related articles we re … calculating how large the necessary efficiency gains would have to be to prevent price increases under different market conditions …

Efficiency defence and merger remedies are key components in most merger control regimes. Although in many … jurisdictions both the provision of efficiency-related evidence and remedy offers are at the merging firms' discretion, most … firms face in merger litigation where they are allowed to choose what combination of efficiency claims and settlement offers …

This paper reviews the assessment of efficiency claims in recent EU mergers. It focuses on three broad issues …

neglected literature such as that on the theory of the firm, and the relevance of vertical efficiencies to horizontal mergers …