Soft-Floor Auctions: Harnessing Regret to Improve Efficiency and Revenue
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Soft-Floor Auctions: Harnessing Regret to Improve Efficiency and Revenue
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概要
A soft-floor auction asks bidders to accept an opening price to participate in an ascending auction. If no bidder accepts, lower bids are considered using first-price rules. Soft floors are common despite being irrelevant with standard assumptions. When bidders regret losing, soft-floor auctions are more efficient and profitable than standard optimal auctions. Revenue increases as bidders are inclined to accept the opening price to compete in a regret-free ascending auction. Efficiency is improved since having a soft floor allows for a lower hard reserve price, reducing the frequency of no sale. Theory and experiment confirm these motivations from practice.
The research paper is at https://cramton.umd.edu/auction/
Bergemann, Dirk, Kevin Breuer, Peter Cramton, Jack Hirsch, Yero S. Ndiaye, and Axel Ockenfels, “Soft-Floor Auctions: Harnessing Regret to Improve Efficiency and Revenue,” University of Maryland Working Paper, April 2025.