Position Auctions with Consumer Search

This paper examines a model in which advertisers bid for "sponsored-link" positions on a search engine. The value advertisers derive from each position is endogenized as coming from sales to a population of consumers who make rational inferences about rm qualities and search optimally....

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Bibliographic Details
Main Authors: Athey, Susan, Ellison, Glenn
Other Authors: Massachusetts Institute of Technology. Department of Economics
Format: Article
Language:en_US
Published: Harvard University by the MIT Press 2011
Online Access:http://hdl.handle.net/1721.1/64696
https://orcid.org/0000-0003-3164-0855
Description
Summary:This paper examines a model in which advertisers bid for "sponsored-link" positions on a search engine. The value advertisers derive from each position is endogenized as coming from sales to a population of consumers who make rational inferences about rm qualities and search optimally. Consumer search strategies, equilibrium bidding, and the welfare benefits of position auctions are analyzed. Implications for reserve prices and a number of other auction design questions are discussed.