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Divisible-good uniform price auctions: the role of allocation rules and communication among bidders

Author

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  • Martin Sefton

    (School of Economics, University of Nottingham)

  • Ping Zhang

    (School of Economics, University of Nottingham)

Abstract

We use laboratory experiments to compare allocation rules in uniform price divisible good auctions. “Standard” and “uniform” allocation rules admit different types of low-price equilibria, which are eliminated by a “hybrid” rule. We observe little evidence of revenue differences among the allocation rules. Under all three allocation rules, prices are competitive when bidders cannot explicitly communicate, and collusive when bidders can explicitly communicate. With explicit communication we find that collusive agreements are more fragile when the gain from a unilateral deviation is larger. We also find that the standard allocation rule is particularly vulnerable to collusive equilibria.

Suggested Citation

  • Martin Sefton & Ping Zhang, 2009. "Divisible-good uniform price auctions: the role of allocation rules and communication among bidders," Discussion Papers 2009-21, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham.
  • Handle: RePEc:cdx:dpaper:2009-21
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    References listed on IDEAS

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    1. repec:aen:journl:ej38-si1-madlener is not listed on IDEAS
    2. Rosen, Christiane & Madlener, Reinhard, 2013. "An Experimental Analysis of Single vs. Multiple Bids in Auctions of Divisible Goods," FCN Working Papers 8/2013, E.ON Energy Research Center, Future Energy Consumer Needs and Behavior (FCN), revised Nov 2013.
    3. Andreas Voss and Reinhard Madlener, 2017. "Auction Schemes, Bidding Strategies and the Cost-Optimal Level of Promoting Renewable Electricity in Germany," The Energy Journal, International Association for Energy Economics, vol. 0(KAPSARC S).

    More about this item

    Keywords

    experiment; uniform price auction; multi-unit auction; divisible-good auction; allocation rule; communication;

    JEL classification:

    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior

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