Internet Auctions

Auctions in Private Internet Advertising

Several recent research projects have designed systems that address the problem of user privacy in online advertising systems. The primary goal of these systems is to allow for targeted advertising without revealing user profiles to the ad network. None of these designs, however, adequately consider the role of the auction. This paper looks at the problem of running auctions that leverage user ...

Internet Auctions Case Study: eBay

Agents Participating in Internet Auctions

We have designed agents to participate in one of the internet auctions|Michigan AuctionBot. The agents communicate with the AuctionBot through API. For the inference mechanism underlying the agent, we use regression methods for online derivation of functional relations between other agents' actions and their internal states. The functional form of a regression model is based on an agent's assum...

Internet auctions with many traders

We study a multi-unit auction environment similar to eBay. Sellers, each with a single unit of a homogenous good, set reserve prices at their own independent second-price auctions. Each buyer has a private value for the good and wishes to acquire a single unit. Buyers can bid as often as they like and move between the sellers’ auctions in a dynamic environment. We characterize a perfect Bayesia...

Economic Insights from Internet Auctions

457 1 Bajari: Duke University and NBER. Hortacsu: University of Chicago and NBER. We thank the editor, two anonymous referees, Ginger Jin, Axel Ockenfels, David Reiley, Paul Resnick, and Alvin Roth for their very detailed and insightful comments on various drafts of this document. We thank the National Science Foundation for partial research support, grants SES-0012106 (Bajari) and SES-0242031 ...