Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/80151 
Year of Publication: 
2007
Series/Report no.: 
Working Paper No. 2007-01
Publisher: 
Brown University, Department of Economics, Providence, RI
Abstract: 
We apply stochastic stability to study the evolution of bidding behavior in private-values second-price, first-price and k-double auctions. The learning process has a strong component of inertia but with a small probability, the bids are modified in the direction of ex-post regrets. We identify essentially a unique bid that will be used by each type in the long run. In the second-price auction, this is the truthful bid. In the first-price auction, bidding half of one’s valuation is stable. The stable bid in the k-double auction is a toughening of the Chatterjee-Samuelson linear equilibrium strategy. If we add a friction in changing one’s bid, then truth-telling behavior is also obtained in the first-price and k-double auctions. Intuitively, the stochastically stable bid minimizes the maximal regret.
Subjects: 
Stochastic Stability
Ex-post Regret
Second-Price Auction
First-Price Auction
k-Double Auction
JEL: 
C73
C78
D44
D83
Document Type: 
Working Paper

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