This paper examines position auctions with budget-constrained advertisers, a dominant bidding environment used by publishers to allocate positions in online advertising. Budget constraints play a crucial role in equilibrium bidding by inducing advertisers to strategically deplete a higher-ranked...

This paper investigates the possibility that television advertising influences online search using the AOL search dataset. It uses a novel keyword mining technique to classify keywords as brand related, category related (generic), or unrelated, distinguishing between category search and...

Facebook and Google offer hybrid advertising auctions that allow advertisers to bid on a per-impression or a per-click basis for the same advertising space. This paper studies the properties of equilibrium and considers how to increase efficiency in this new auction format. Rational expectations...

Several major websites offer hybrid auctions that allow advertisers tobid on a per-impression or a per-click basis. We present the firstanalysis of this hybrid advertising auction setting. The conventionalwisdom is that brand advertisers (e.g. Coca-Cola) will bid perimpression, while direct...

Websites increasingly allow advertisers to choose whether to bid for advertising on a per-impression or per-click basis. We present the first analysis of this new hybrid auction market. The conventional wisdom in this industry is that brand advertisers (e.g., Coca-Cola) will bid for impressions,...