Economists are in raptures, but they should be carefulIn early February Openai, the world’s most famous artificial-intelligence firm, released Deep Research, which is “designed to perform in-depth, multi-step research”. With a few strokes of a keyboard, the tool can produce a paper on any topic in minutes. Many academics love it. “Asking OpenAI’s Deep Research about topics I am writing papers on has been incredibly fruitful,” said Ethan Mollick of the University of Pennsylvania. Some economists ...