One of Stanford’s original AI gurus says productivity liftoff has begun after doubling in 2025
The K-shaped economy has dominated discourse lately, but the J-curve is entering the chat too amid debate over AI’s impact on productivity. The curve refers to the idea that general-purpose technologies like AI don’t produce immediate benefits. Instead, massive investment comes first, obscuring early gains. It’s only after this initial dip that productivity really takes off, resulting in the J...









