On the Informed Seller Problem: Optimal Information Disclosure

38 Pages Posted: 13 Oct 2008

See all articles by Vasiliki Skreta

Vasiliki Skreta

University of Texas at Austin - Department of Economics; University College London

Date Written: April 2008

Abstract

We consider a revenue-maximizing seller who, before proposing a mechanism to sell herobject(s), observes a vector of signals correlated with buyersívaluations. Each buyer knows only the signal that the seller observes about him, but not the signals she observes about other buyers. The seller Örst chooses how to disclose her information and then chooses a revenue-maximizing mechanism. We allow for very general disclosure policies, that can be random, public, private, or any mixture of these possibilities. Through the disclosure of information privately, the seller can create correlation in buyersítypes, which then consist of valuations plus beliefs. For thestandard independent private values model, we show that information revelation is irrelevant: irrespective of the disclosure policy an optimal mechanism for this informed seller generates expected revenue that is equal to her maximal revenue under full information disclosure. For more general allocation environments that allow also for interdependent, for common values, and for multiple items, disclosure policies may matter, and the best the seller can do is to disclose no information at all.

Keywords: mechanism design, informed principal, information disclosure, correlated information, optimal auctions

Suggested Citation

Skreta, Vasiliki, On the Informed Seller Problem: Optimal Information Disclosure (April 2008). NYU Working Paper No. 2451/26019, Available at SSRN: https://ssrn.com/abstract=1281902

Vasiliki Skreta (Contact Author)

University of Texas at Austin - Department of Economics ( email )

Austin, TX 78712
United States

HOME PAGE: http://vskreta.wixsite.com/vskreta

University College London ( email )

Gower Street
London, WC1E 6BT
United Kingdom

HOME PAGE: http://vskreta.wixsite.com/vskreta

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