Entry in Collusive Markets: An Experimental Study
AbstractIn this paper we present an experiment in which we test the effects of sequential entry on the stability of collusion in oligopoly markets. Theoretical as well as experimental research suggests that a larger number of firms in an industry makes collusion harder to sustain. In this study, we explore to what extent collusion can be upheld with exogenous entry when groups start off small and when it is common knowledge that the entrant is informed about the history of her group prior to entry. We find that collusion is indeed easier to sustain in the latter case than in groups starting large. We conjecture that an implicit coordination problem is resolved more easily in a smaller group and that coordination, once it has been established, can be transferred to the enlarged group by means of a common code of conduct. Moreover, the results suggest that entrants emulate the behavior of their group upon entry.
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Bibliographic InfoPaper provided by University Library of Munich, Germany in its series MPRA Paper with number 14707.
Date of creation: 24 Mar 2009
Date of revision:
Collusion; Entry; Experiments;
Find related papers by JEL classification:
- L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
- C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
- C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
- L40 - Industrial Organization - - Antitrust Issues and Policies - - - General
This paper has been announced in the following NEP Reports:
- NEP-ALL-2009-04-25 (All new papers)
- NEP-COM-2009-04-25 (Industrial Competition)
- NEP-EXP-2009-04-25 (Experimental Economics)
- NEP-IND-2009-04-25 (Industrial Organization)
- NEP-MIC-2009-04-25 (Microeconomics)
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