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<a accesskey="1" href="page.php?w=auction&amp;p=21">1.Previous</a><br />
<a accesskey="3" href="page.php?w=auction&amp;p=23">3.Next</a>
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<p>of auctions is considered to be a part of <a href="page.php?w=Auction_theory">Auction theory</a>. The economists <a href="page.php?w=Paul_Milgrom">Paul Milgrom</a> and <a href="page.php?w=Robert_B._Wilson">Robert B. Wilson</a> were awarded the 2020 <a href="page.php?w=Nobel_Prize">Nobel Prize</a> for the introduction of new auction types (or formats). Auction types share features, which can be summarized into the following list.</p>

<p><big>Participants</big></p>
 <p>Auctions can differ in the number and type of participants. There are two types of participants:</p><p>
<a accesskey="1" href="page.php?w=auction&amp;p=21">1.Previous</a><br />
<a accesskey="3" href="page.php?w=auction&amp;p=23">3.Next</a>
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