Coalitional Approaches to Collusive Agreements in Oligopoly Games
AbstractIn this paper we review a number of coalitional solution concepts for the analysis of the stability of cartels and mergers under oligopoly. We show that, although so far the industrial organization and the cooperative game-theoretic literature have proceeded somehow independently on this topic, the two approaches are highly inter-connected. We first consider the basic problem of the stability of the whole industry association of firms under oligopoly and, for this purpose, we introduce the concept of core in games with externalities. We show that different assumptions on the behaviour as well as on the timing of the coalitions of firms yield very di¤erent results on the set of allocations which are core-stable. We then consider the stability of associations of firms organized in coalition structures different from the grand coalition. To this end, various coalition formation games recently introduced by the so called endogenous coalition formation literature are critically reviewed. Again, di¤erent assumptions concerning the timing and the behaviout of firms are shown to yield a wide range of different results.
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Bibliographic InfoPaper provided by University of Urbino Carlo Bo, Department of Economics, Society & Politics - Scientific Committee - L. Stefanini & G. Travaglini in its series Working Papers with number 1113.
Length: 21 pages
Date of creation: 2011
Date of revision: 2011
Cooperative Games; Coalitions; Mergers; Cartels; Core; Games with Externalities; Endogenous Coalition Formation.;
Other versions of this item:
- Sergio Currarini & Marco A. Marini, 2013. "Coalitional Approaches to Collusive Agreements in Oligopoly Games," DIAG Technical Reports 2013-15, Department of Computer, Control and Management Engineering, Universita' degli Studi di Roma "La Sapienza".
- C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General
- C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
- D23 - Microeconomics - - Production and Organizations - - - Organizational Behavior; Transaction Costs; Property Rights
- D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
This paper has been announced in the following NEP Reports:
- NEP-ALL-2012-01-25 (All new papers)
- NEP-BEC-2012-01-25 (Business Economics)
- NEP-COM-2012-01-25 (Industrial Competition)
- NEP-GTH-2012-01-25 (Game Theory)
- NEP-NET-2012-01-25 (Network Economics)
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