Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

Thursday, December 4, 2008

Semi-Collusive Advertising and Pricing in Experimental Duopolies

Posted by D. Daniel Sokol

Andreas Nicklisch, Max Planck Institute of Research on Collective Goods has a new piece on Semi-Collusive Advertising and Pricing in Experimental Duopolies.

ABSTRACT: This article tests experimentally whether a high degree of collusion on advertisement expenditures facilitate tacit price collusion in duopoly markets. Two environments are tested, in which the size of the spillover between advertising expenditures is varied. The results show that the competitiveness of advertising and prices are significantly higher when the advertising spillover is higher than the price spillover than when advertising spillover is lower than the price spillover. In the second environment, a higher degree of advertising collusion leads for experienced players to a higher degree of price collusion. In the first environment, players behave at most semi-collusively, that is, if at all, they collude on advertising, but compete over prices.

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