Multi-unit auctions: A comparison of static and dynamic mechanisms

Alejandro Manelli, Martin Sefton, Benjamin S. Wilner

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


We compare, experimentally, the Vickrey auction and an ascending-price auction introduced by Ausubel [Ausubel, L.M., 2004. An efficient ascending-bid auction for multiple objects. American Economic Review 94, 1452-1475], evaluating their performances in multi-unit environments where valuations either have a common-value component or are private information. We observe substantial overbidding, particularly in the Vickrey auction, and find that revenue is higher in the Vickrey auction and efficiency is similar in both auctions. In a further experiment, using slightly different versions that focuses on the common-value component, we observe less overbidding and an apparent trade-off between revenue and efficiency: the Vickrey auction is more efficient while revenues are higher in the Ausubel auction.

Original languageEnglish (US)
Pages (from-to)304-323
Number of pages20
JournalJournal of Economic Behavior and Organization
Issue number2
StatePublished - Oct 2006


  • Auctions
  • Experiments
  • Multi-unit auctions

ASJC Scopus subject areas

  • Economics and Econometrics
  • Organizational Behavior and Human Resource Management


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