Traditional economic theory of collusion assumed that cartels are inherently unstable, and yet some manage to operate …

In several European merger cases competition authorities have demanded that the merging firm auctions off virtual …

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 …

compatibility and can engage in bundling. We consider the impact of merger on prices, investment and consumer surplus. We also …

post-merger efficiency improvements to reveal a new margin of adjustment along the product dimension. We analyze horizontal … between differentiated varieties. After a merger, acquirers drop products from their consolidated domestic product portfolio … and reallocate assets towards core varieties. We further demonstrate that such merger-induced efficiency gains imply …

market outcome after a national or an international merger has taken place. In this paper we study the implications for … merger policy when countries non-cooperatively deploy production-based taxes. We find that whether national or international … structure of firms. When all firms are owned domestically in the pre-merger situation, non-cooperative tax policies are more …