Gillian Tett
Gillian Tett is the U.S. managing editor of the Financial Times. She is the author of The Silo Effect: The Peril of Expertise and the Promise of Breaking Down Barriers.
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Lucas Jackson / Reuters Economists' Tribal Thinking
Cultural anthropology can help explain why the downturn caught everyone by surprise: Experts around the world tend to focus on the same mathematical models, looking for patterns in the same limited number of places.
