Abstract:Bid delegation to specialized intermediaries is common in internet ad auctions. When the same intermediary bids for competing advertisers, its incentive to coordinate client bids might alter the functioning of the auctions. This study develops a methodology to detect bid coordination and presents a strategy to estimate a bound on the search engine revenue losses imposed by bid coordination. When the method is applied to data from auctions held on a major search engine, coordination is detected in 55% of the ca… Show more
This paper studies publishers’ tradeoffs in disclosing information to advertisers in the presence of agencies, through which advertisers may coordinate bids.
This paper studies publishers’ tradeoffs in disclosing information to advertisers in the presence of agencies, through which advertisers may coordinate bids.
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