How "Amazon’s Choice" badges steer choice: We show that they drive engagement despite competing signals, yet disproportionately favors platform-sold products. Crucially, this boost persists after the badge is removed, potentially reinforcing long-term market advantages.
Lill, Gallitz, Stich & Spann: "How Platform Endorsement Shapes Consumer Search and Choice in Online Retail" CRC Discussion Paper No. 569
