Tacit collusion in auctions and conditions for its facilitation and prevention: Equilibrium selection in laboratory experimental markets
"The paper studies bidder behavior in simultaneous, continuous, ascending price auctions. We design and implement a "collusion incubator" environment based on a type of public, symmetrically "folded" and "item-aligned" preferences. Tacit collusion develops quickly and reliably within the environment. Once tacit collusion developed, it proved remarkably robust to institutional changes that weakened it as an equilibrium of a game-theoretic model. The only successful remedy was a non-public change in the preference of participants that destroyed the symmetrically, "folded" and "item aligned" patterns of preferences, creating head-to-head competition between two agents reminiscent of the concept of a "maverick.""("JEL "L50, L94, D43) Copyright (c) 2008 Western Economic Association International.
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|Date of creation:||Nov 2005|
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