CNBC December 16, 2025
Key Points
– A research team at Harvard studying workers at Procter & Gamble and Boston Consulting Group uncovered where AI is most effective in increasing productivity and performance — and where humans still have the upper hand.
– While AI-equipped individuals show significant improvement in factors like speed and performance, strategically curated teams with AI have their own advantages.
Workplace AI adoption is at an all-time high, according to Anthropic data, but just because organizations use AI doesn’t mean it’s effective.
“Nobody knows those answers, even though a lot of people are saying they do,” said Jen Stave, chief operator at the Digital Data Design Institute (D^3) at Harvard Business School. While much of the business world tries to...







