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Vertical integration under an optimal tax policy : a consumer surplus detrimental result

Giuranno, Michele G.; Scrimitore, Marcella; … - 2019

It is widely believed that vertical integration in an environment without foreclosure, or more generally without any mechanism that restricts competition among firms, raises the welfare of consumers. In this paper we show that this can be overturned in a standard setting. We consider a vertical...

Persistent link: https://www.econbiz.de/10012065154

Do international roaming alliances harm consumers?

Bühler, Benno - 2009

We develop a model of international roaming in which mobile network operators (MNOs) compete both on the wholesale market to sell roaming services to foreign operators and on the retail market for subscribers. The operators own a network infrastructure only in their home country. To allow their...

Persistent link: https://www.econbiz.de/10008824518

The dynamics of leniency application and the knock-on effect of cartel enforcement

Zhou, Jun - 2016

We study the timing of leniency applications using a novel application of multi-spell discrete-time survival analysis for a sample of cartels prosecuted by the European Commission between 1996 and 2014. The start of a Commission investigation does not affect the rate by which conspirators apply...

Persistent link: https://www.econbiz.de/10011435719

Vertical differentiation and collusion : cannibalization or proliferation?

Gabszewicz, Jean Jaskold; Marini, Marco A.; Tarola, Ornella - 2016

In this paper, we tackle the dilemma of pruning versus proliferation in a vertically differentiated oligopoly under the assumption that some firms collude and control both the range of variants for sale and their corresponding prices, likewise a multiproduct firm. We analyse whether pruning...

Persistent link: https://www.econbiz.de/10011451580

Cartel sustainability and cartel stability

Escrihuela-Villar, Marc - 2004

The paper studies how does the size of a cartel affect the possibility that its members can sustain a collusive agreement. I obtain that collusion is easier to sustain the larger the cartel is. Then, I explore the implications of this result on the incentives of firms to participate in a cartel....

Persistent link: https://www.econbiz.de/10011600408

Horizontal mergers, involuntary unemployment, and welfare

Budzinski, Oliver; Budzinski, Jürgen-Peter - 2009

Standard welfare analysis of horizontal mergers usually refers to two effects: the anticompetitive market power effect … horizontal mergers are substantially decreased, if involuntary unemployment exists. However, in full employment economies, demand …-side effects remain negligible. Eventually, policy conclusions for merger control are discussed. -- horizontal mergers …

Persistent link: https://www.econbiz.de/10003836388

Foreclosing competition through access charges and price discrimination

López, Angel L.; Rey, Patrick - 2009

This article analyzes competition between two asymmetric networks, an incumbent and a new entrant. Networks compete in non-linear tariffs and may charge different prices for on-net and off-net calls. Departing from cost-based access pricing allows the incumbent to foreclose the market in a...

Persistent link: https://www.econbiz.de/10008824512

Impact evaluation of merger decisions

Budzinski, Oliver - 2011

This paper provides a comparative analysis of methods for the empirical ex post evaluation of merger control decisions. It develops a competition-policy oriented framework of assessment criteria for the leading evaluation methods and applies them to structural modeling and simulation,...

Persistent link: https://www.econbiz.de/10009388226

Implications of unprofitable horizontal mergers : a positive external effect does not suffice to clear a merger!

Budzinski, Oliver; Kretschmer, Jürgen-Peter - 2009

We demonstrate that the popular Farrell-Shapiro-framework (FSF) for the analysis of mergers in oligopolies relies … 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 …

Persistent link: https://www.econbiz.de/10003821593

Digital platforms and antitrust

Parker, Geoffrey; Petropoulos, Georgios; Van Alstyne, … - 2020

Digital platforms are at the heart of online economic activity, connecting multi-sided markets of producers and consumers of various goods and services. Their market power and their privileged ecosystem positions raise concerns that they may engage in anti-competitive practices that reduce...

Persistent link: https://www.econbiz.de/10012405498