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An equilibrium analysis of efficiency gains from mergers

Jovanovic, Dragan; Wey, Christian - Düsseldorf Institute for Competition Economics (DICE), … - 2012

We analyze the efficiency defense in merger control. First, we show that the relationship between exogenous efficiency gains and social welfare can be non-monotone. Second, we consider both endogenous mergers and endogenous efficiencies and find that merger proposals are largely aligned with a...

Persistent link: https://www.econbiz.de/10010956797

The effects of remedies on merger activity in oligopoly

Dertwinkel-Kalt, Markus; Wey, Christian - Düsseldorf Institute for Competition Economics (DICE), … - 2012

We analyze the effects of structural remedies on merger activity in a Cournot oligopoly when the antitrust agency …

Persistent link: https://www.econbiz.de/10010983937

Mergers, managerial incentives, and efficiencies

Jovanovic, Dragan - Düsseldorf Institute for Competition Economics (DICE), … - 2014

We analyze the effects of synergies from horizontal mergers in a Cournot oligopoly where principals provide their … agents with incentives to cut marginal costs prior to choosing output. We stress that synergies come at a cost which possibly … order to reduce her agency costs. Whenever this incentive effect dominates the well-known direct synergy effect, synergies …

Persistent link: https://www.econbiz.de/10010956740

Bertrand competition in markets with network effects and switching costs

Suleymanova, Irina; Wey, Christian - Düsseldorf Institute for Competition Economics (DICE), … - 2011

We analyze Bertrand duopoly competition in markets with network effects and consumer switching costs. Depending on the ratio of switching costs to network effects, our modelerates four different market patterns: monopolization and market sharing which can be either monotone or alternating. A...

Persistent link: https://www.econbiz.de/10009216331

Google, Facebook, Amazon, eBay: Is the internet driving competition or market monopolization?

Haucap, Justus; Heimeshoff, Ulrich - Düsseldorf Institute for Competition Economics (DICE), … - 2013

This paper discusses the general characteristics of online markets from a competition theory perspective and the implications for competition policy. Three important Internet markets are analyzed in more detail: search engines, online auction platforms, and social networks. Given the high level...

Persistent link: https://www.econbiz.de/10010956773

Do leniency policies facilitate collusion? Experimental evidence

Clemens, Georg; Rau, Holger A. - Düsseldorf Institute for Competition Economics (DICE), … - 2014

This paper experimentally analyzes the cartel coordination challenge induced by the discrimination of cartel ringleaders in leniency policies. Ringleaders often take a leading role in the coordination and formation of a cartel. A leniency policy which grants amnesty to all whistleblowers except...

Persistent link: https://www.econbiz.de/10010956793

Output commitment through product bundling: Experimental evidence

Hinloopen, Jeroen; Müller, Wieland; Normann, Hans-Theo - Düsseldorf Institute for Competition Economics (DICE), … - 2013

We analyze the impact of product bundling in experimental markets. One firm has monopoly power in a first market but competes with another firm à la Cournot in a second market. We compare treatments where the multi-product firm (i) always bundles, (ii) never bundles, and (iii) chooses whether...

Persistent link: https://www.econbiz.de/10010983930

Entry deterrence through cooperative R&D over-investment

Christin, Clémence - Düsseldorf Institute for Competition Economics (DICE), … - 2011

In this paper, we highlight new conditions under which R&D agreements may have anti-competitive effects. We focus on cases where two firms compete with each other and with a competitive fringe. R&D activities need a specific input available to all firms on a common market, the price of which...

Persistent link: https://www.econbiz.de/10009370794

Wettbewerb im deutschen Mobilfunkmarkt

Haucap, Justus; Heimeshoff, Ulrich; Stühmeier, Torben - Düsseldorf Institute for Competition Economics (DICE), … - 2010

This paper studies competition in the German market for mobile telecommunications, motivated by recent suggestions that T-Mobile and Vodafone possess a position of collective dominance. Allegedly, their position of joint dominance is secured through a combination of first-mover advantages and...

Persistent link: https://www.econbiz.de/10008694106

Semi-collusion in media markets

Dewenter, Ralf; Haucap, Justus; Wenzel, Tobias - Düsseldorf Institute for Competition Economics (DICE), … - 2010

This paper explores the effects that collusion can have in newspaper markets where firms compete for advertising as well as for readership. We compare three modes of competition: i) competition in the advertising and the reader market, ii) semi-collusion over advertising (with competition in the...

Persistent link: https://www.econbiz.de/10008784593