knowledge-base-2
Auction Logic
Topsort supports first-price and second-price auctions. Both consider the bid amount and the quality score for ranking items. A quality score is a relevance metric. It includes factors like estimated click likelihood.
First-Price Auction
- Winning bidder pays their exact bid.
- Recommended for Auto-bidding.
- Algorithms optimize bids in real-time.
- Achieves efficient budget use through automated adjustments and quality score.
Second-Price Auction
- Highest bidder pays the second-highest bid plus a small increment.
- Recommended for Manual bidding.
- Encourages competitive bidding without overpaying.
- Benefits high-quality items with better placement due to quality score and bid.