This paper presents a broad retrospective evaluation of mergers and merger decisions in the digital sector. We first … investigated mergers and whether a more effective merger control regime can be achieved within the current legal framework. … theories of harm in major merger cases in the past few years. We then analyse the characteristics of almost 300 acquisitions …

We set up a model to analyze the effects of mergers between sellers of complementary components where firms invest in … compatibility and can engage in bundling. We consider the impact of merger on prices, investment and consumer surplus. We also …

these multi-sided companies along with each company’s most important market segments. We then track their mergers and … are shut down post acquisition, which suggests that GAFAM mainly acquire firm's assets (functionality, technology, talent …, therefore, acquisition appears to be a substitute for in-house R&D. Finally, from our check for possible "killer acquisitions …

that would prevent a merger from harming consumers for 1,014 mergers affecting 12,325 antitrust markets scrutinized by the …Worldwide, the overwhelming majority of large horizontal mergers are cleared by antitrust authorities unconditionally …. The presumption seems to be that efficiencies from these mergers are sizeable. We calculate the compensating efficiencies …

use a novel database that identifies over 20,000 product/geographic antitrust markets affected by over 2,000 mergers … scrutinized by the European Commission between 1995 and 2014. We show that concentration, as measured by the market-specific post-merger … dimension analyzed. Strict past merger enforcement negatively correlates with concentration. Yet, this effect is stronger in the …

We study the effect of a merger between two Dutch supermarket chains to assess its effect on the depth as well as … composition of assortment. We adopt a difference-in-differences strategy that exploits local variation in the merger's effects …, controlling for selection on observables through a matching procedure when defining our control group. We show that the merger led …

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 off after a merger. Our model calls into question the applicability of …

them have been reviewed by competition authorities and little is known on their evolution after acquisition. This paper … technologies protected by a patent and we investigate whether an acquisition by a big tech contributes to their development. For … that acquisition increases the innovation effort of the acquirer but only temporarily. After 1.5 year, there is no longer a …

Competition in some markets is a contest. This paper studies the merger incentives in such markets. Merger can be … profitable. The profitability depends on the post-merger contest st ructure, the discriminatory power of the contest and on the …