We analyze the impact of a merger on firms' incentives to innovate. We show that the merging parties always decrease their innovation efforts post-merger while the outsiders to the merger respond by increasing their effort. A merger tends to reduce overall innovation. Consumers are always worse...

This paper reviews the assessment of efficiency claims in recent EU mergers. It focuses on three broad issues:(a) whether efficiencies should be distinguished from other types of "pro-competitive effects";(b) how to establish the pass-on to consumers from efficiencies, and to balance this...

We analyze the impact of a merger on firms' incentives to innovate. We show that the merging parties always decrease their innovation efforts post-merger while the outsiders to the merger respond by increasing their effort. A merger tends to reduce overall innovation. Consumers are always worse...