In the GSP auction, each advertiser will pay the bid of the advertiser below him, plus a standard increment (typically $0.01), for a click on their advert. Say three advertisers, A1, A2 and A3, bid $2.50, $3.00 and $2.35 respectively on the same keyword. The search engine has set a minimum price of $2.05 on that same keyword. Here is how the adverts would be positioned, and what they would each pay for a click: