Hiding in the mean: AI is adding jobs and removing them at the same time
Estimates of AI’s employment effect disagree in size and even in sign. This column argues the disagreement is built into the measurement: AI substitutes for
Writing code versus shipping code: Productivity effects across generations of AI coding tools
Generative AI now writes a substantial share of the world’s code, but aggregate software output has changed far less. This column uses data on more
Chat Bankman-Fried: An experiment on LLM ethics in finance
As large language models gain traction, it is important to ensure that decisions delegated to them comply with ethical and legal principles. This column reports
Cancelled and postponed green hydrogen projects
Developers of green hydrogen have scaled back investments and scrapped projects globally as elevated production costs and weak demand for the low-carbon fuel have made many
Hacking the heat: How data innovations can help cities face a rising threat
In Paris, authorities closed more than 1,000 schools — and the summit of the Eiffel Tower — during last month’s heatwave. In Eastern China, the power grid
