False-name-proof multi-unit auction protocol utilizing greedy allocation based on approximate evaluation values

Kenji Terada, Makoto Yokoo

Research output: Contribution to journalArticle

Abstract

This paper presents a new false-name-proof multiunit auction protocol called the Greedy ALlocation (GAL) protocol. Internet auctions have become an integral part of Electronic Commerce and a promising field for applying agent and Artificial Intelligence technologies. Although the Internet provides an excellent infrastructure for executing auctions, the possibility of a new type of cheating called false-name bids has been pointed out. A false-name bid is a bid submitted under a fictitious name. A protocol called the Iterative Reducing (IR) protocol has been developed for multi-unit auctions and has proven to be false-name-proof, that is, using false-name bids is useless. For Internet auction protocols, being false-name-proof is important since identifying each participant on the Internet is virtually impossible. One shortcoming of the IR protocol is that it requires the auctioneer to carefully predetermine the reservation price for one unit. Our newly developed GAL protocol is easier to use than the IR, since the auctioneer does not need to set the reservation price nor any other parameters. The evaluation results show that the GAL protocol can obtain a social surplus that is very close to Pareto efficient. Furthermore, the obtained social surplus and seller's revenue are much better than those of the IR protocol even if the reservation price is set optimally.

Original languageEnglish
Pages (from-to)89-98
Number of pages10
JournalSystems and Computers in Japan
Volume37
Issue number13
DOIs
Publication statusPublished - Nov 30 2006

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Information Systems
  • Hardware and Architecture
  • Computational Theory and Mathematics

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