False-name bids in combinatorial auctions

  • Authors:
  • Makoto Yokoo

  • Affiliations:
  • Kyushu University

  • Venue:
  • ACM SIGecom Exchanges
  • Year:
  • 2007

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Abstract

In Internet auctions, it is easy for a bidder to submit multiple bids under multiple identifiers (e.g., multiple e-mail addresses). If only one good is sold, a bidder cannot make any additional profit by using multiple bids. However, in combinatorial auctions, where multiple goods are sold simultaneously, submitting multiple bids under fictitious names can be profitable. A bid made under a fictitious name is called a false-name bid. This article gives a brief introducion on false-name bids in combinatorial auctions.