states of hyper-competition with supply shortages. We also analyze the impact of a change in firm size distribution. A merger …

neglected. We introduce them into a standard oligopoly model of horizontal merger by assuming an (empirically supported …) decrease in labour demand due to merger-specific synergies and derive welfare effects. We find that efficiency benefits from …-side effects remain negligible. Eventually, policy conclusions for merger control are discussed. -- horizontal mergers …

effects. -- merger simulation ; merger control ; antitrust ; oligopoly theory ; auction models ; mergers & acquisitions … employment of merger simulation models in merger control procedures during the past almost 15 years. Merger simulation is … of state-of-the-art merger simulation models and review their previous employment in merger cases as well as the problems …

such a rule would cause a considerable amount of false positives. -- oligopoly theory ; horizontal merger policy … mergers. If this assumption held, a positive external effect of a proposed merger would represent a sufficient condition to … allow the merger. However, the empirical picture on mergers and acquisitions reveals a significant share of unprofitable …

We consider a setting in which two potential merger partners each possess private information pertaining both to the … ex-post regret an unavoidable phenomenon in merger negotiations. To this end, we consider ex-post incentive compatible … mechanisms, which use both players' reports to determine whether or not a merger will take place and what each player will earn …

, we evaluate the 2013 merger between Amer- ican Airlines and US Airways. Our results highlight that spillovers in entry … and post-merger network readjustments play an important role in shaping post-merger outcomes. …