Auctions and Informaton Acquisition: Sealed-bid or Dynamic Formats?

Abstract : The value of an asset is generally not known a priori, and it requires costly investments to be discovered. In such contexts with endogenous information acquisition, which selling procedure generates more revenues? We show that dynamic formats, such as ascending-price or multistage auctions, perform better than their static counterpart. This is because dynamic formats allow bidders to observe the number of competitors left throughout the selling procedure. Thus, even if competition appears strong ex ante, it may turn out to be weak along the dynamic format, thereby making the option to acquire information valuable. This very possibility also induces the bidders to stay longer in the auction, just to learn about the state of competition. Both effects boost revenues, and our analysis provides a rationale for using dynamic formats rather than sealed-bid ones.
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Submitted on : Tuesday, November 20, 2012 - 8:49:38 AM
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Olivier Compte, Philippe Jehiel. Auctions and Informaton Acquisition: Sealed-bid or Dynamic Formats?. RAND Journal of Economics, Wiley, 2007, 38 (2), pp.355-372. ⟨10.1111/j.1756-2171.2007.tb00072.x⟩. ⟨halshs-00754227⟩

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