This paper investigates a novel winner-determination mechanism: multiple-winner award rules that are widely used in e-procurement auctions and crowdsourcing sites. We focus on one unique award mechanism in e-procurement auctions, in which the auctioneer (i.e., the buyer) specifies three rules...

Performance-based advertising is becoming increasingly popular in the online advertising industry, where advertisers pay the publisher only when an “action” (e.g., a click-through or a purchase) is generated by the advertisement. This paper illustrates that adopting this emerging advertising...

Performance-based advertising is becoming increasingly popular in the online advertising industry, where the advertiser pays to the publisher only when an "action" (e.g., a click-through) is generated by the advertisement. We study how the performance-based advertising scheme affects one of the...