Multi-unit auctions with unknown supply

  • Authors:
  • Mohammad Mahdian;Amin Saberi

  • Affiliations:
  • Microsoft Research, Redmond, WA, USA;Stanford University, Stanford, CA, USA

  • Venue:
  • EC '06 Proceedings of the 7th ACM conference on Electronic commerce
  • Year:
  • 2006

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Abstract

We study multi-unit auctions for perishable goods, in a setting where the supply arrives online. This is motivated by its application in advertisement auctions on the internet. We give a 14 -competitive algorithm for computing the optimal single price auction assuming that all the agents report their bids truthfully. We use that algorithm to develop a truthful auction with a constant competitive ratio compared to the optimum offline single-price auction.