Better Netflix Recommendations Shift Viewing Toward the Middle Tail
An 8.5-million-user Netflix experiment finds that improved ranking raises engagement while moving recommendation-driven consumption from superstars toward moderately popular titles.
ChatGPT Exposure Polarizes Political Slant While Reducing Hostility
A difference-in-differences study of 6.88 million Reddit contributions links probable LLM assistance to wider ideological separation but lower toxicity.
First-Price Ad Auctions Raise Prices Before Bid Shading Catches Up
Staggered publisher switches from second-price to first-price auctions raise revenue per sold impression by 25–70%, then partly fade as bidders adjust.
Faithful Decoding Compresses Equilibrium Systems Without Information Loss
Order-preserving transformations map high-dimensional fixed-point problems to smaller ones, preserving solutions exactly and reaching up to 70,000× speedups in a real-option example.
